19510260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 70447104

約数和(自身を除く): 50936844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 41, 42, 44, 55, 60, 66, 70, 77, 82, 84, 103, 105, 110, 123, 132, 140, 154, 164, 165, 205, 206, 210, 220, 231, 246, 287, 308, 309, 330, 385, 410, 412, 420, 451, 462, 492, 515, 574, 615, 618, 660, 721, 770, 820, 861, 902, 924, 1030, 1133, 1148, 1155, 1230, 1236, 1353, 1435, 1442, 1540, 1545, 1722, 1804, 2060, 2163, 2255, 2266, 2310, 2460, 2706, 2870, 2884, 3090, 3157, 3399, 3444, 3605, 4223, 4305, 4326, 4510, 4532, 4620, 5412, 5665, 5740, 6180, 6314, 6765, 6798, 7210, 7931, 8446, 8610, 8652, 9020, 9471, 10815, 11330, 12628, 12669, 13530, 13596, 14420, 15785, 15862, 16892, 16995, 17220, 18942, 21115, 21630, 22660, 23793, 25338, 27060, 29561, 31570, 31724, 33990, 37884, 39655, 42230, 43260, 46453, 47355, 47586, 50676, 59122, 63140, 63345, 67980, 79310, 84460, 88683, 92906, 94710, 95172, 118244, 118965, 126690, 139359, 147805, 158620, 177366, 185812, 189420, 232265, 237930, 253380, 278718, 295610, 325171, 354732, 443415, 464530, 475860, 557436, 591220, 650342, 696795, 886830, 929060, 975513, 1300684, 1393590, 1625855, 1773660, 1951026, 2787180, 3251710, 3902052, 4877565, 6503420, 9755130, 19510260]

約数ペア:

[(1, 19510260), (2, 9755130), (3, 6503420), (4, 4877565), (5, 3902052), (6, 3251710), (7, 2787180), (10, 1951026), (11, 1773660), (12, 1625855), (14, 1393590), (15, 1300684), (20, 975513), (21, 929060), (22, 886830), (28, 696795), (30, 650342), (33, 591220), (35, 557436), (41, 475860), (42, 464530), (44, 443415), (55, 354732), (60, 325171), (66, 295610), (70, 278718), (77, 253380), (82, 237930), (84, 232265), (103, 189420), (105, 185812), (110, 177366), (123, 158620), (132, 147805), (140, 139359), (154, 126690), (164, 118965), (165, 118244), (205, 95172), (206, 94710), (210, 92906), (220, 88683), (231, 84460), (246, 79310), (287, 67980), (308, 63345), (309, 63140), (330, 59122), (385, 50676), (410, 47586), (412, 47355), (420, 46453), (451, 43260), (462, 42230), (492, 39655), (515, 37884), (574, 33990), (615, 31724), (618, 31570), (660, 29561), (721, 27060), (770, 25338), (820, 23793), (861, 22660), (902, 21630), (924, 21115), (1030, 18942), (1133, 17220), (1148, 16995), (1155, 16892), (1230, 15862), (1236, 15785), (1353, 14420), (1435, 13596), (1442, 13530), (1540, 12669), (1545, 12628), (1722, 11330), (1804, 10815), (2060, 9471), (2163, 9020), (2255, 8652), (2266, 8610), (2310, 8446), (2460, 7931), (2706, 7210), (2870, 6798), (2884, 6765), (3090, 6314), (3157, 6180), (3399, 5740), (3444, 5665), (3605, 5412), (4223, 4620), (4305, 4532), (4326, 4510)]