18796470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 57507840

約数和(自身を除く): 38711370

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 79, 103, 105, 110, 154, 158, 165, 206, 210, 231, 237, 309, 330, 385, 395, 462, 474, 515, 553, 618, 721, 770, 790, 869, 1030, 1106, 1133, 1155, 1185, 1442, 1545, 1659, 1738, 2163, 2266, 2310, 2370, 2607, 2765, 3090, 3318, 3399, 3605, 4326, 4345, 5214, 5530, 5665, 6083, 6798, 7210, 7931, 8137, 8295, 8690, 10815, 11330, 12166, 13035, 15862, 16274, 16590, 16995, 18249, 21630, 23793, 24411, 26070, 30415, 33990, 36498, 39655, 40685, 47586, 48822, 56959, 60830, 79310, 81370, 89507, 91245, 113918, 118965, 122055, 170877, 179014, 182490, 237930, 244110, 268521, 284795, 341754, 447535, 537042, 569590, 626549, 854385, 895070, 1253098, 1342605, 1708770, 1879647, 2685210, 3132745, 3759294, 6265490, 9398235, 18796470]

約数ペア:

[(1, 18796470), (2, 9398235), (3, 6265490), (5, 3759294), (6, 3132745), (7, 2685210), (10, 1879647), (11, 1708770), (14, 1342605), (15, 1253098), (21, 895070), (22, 854385), (30, 626549), (33, 569590), (35, 537042), (42, 447535), (55, 341754), (66, 284795), (70, 268521), (77, 244110), (79, 237930), (103, 182490), (105, 179014), (110, 170877), (154, 122055), (158, 118965), (165, 113918), (206, 91245), (210, 89507), (231, 81370), (237, 79310), (309, 60830), (330, 56959), (385, 48822), (395, 47586), (462, 40685), (474, 39655), (515, 36498), (553, 33990), (618, 30415), (721, 26070), (770, 24411), (790, 23793), (869, 21630), (1030, 18249), (1106, 16995), (1133, 16590), (1155, 16274), (1185, 15862), (1442, 13035), (1545, 12166), (1659, 11330), (1738, 10815), (2163, 8690), (2266, 8295), (2310, 8137), (2370, 7931), (2607, 7210), (2765, 6798), (3090, 6083), (3318, 5665), (3399, 5530), (3605, 5214), (4326, 4345)]