19645860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 60117120

約数和(自身を除く): 40471260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 283, 356, 390, 445, 534, 566, 780, 849, 890, 1068, 1132, 1157, 1335, 1415, 1698, 1780, 2314, 2670, 2830, 3396, 3471, 3679, 4245, 4628, 5340, 5660, 5785, 6942, 7358, 8490, 11037, 11570, 13884, 14716, 16980, 17355, 18395, 22074, 23140, 25187, 34710, 36790, 44148, 50374, 55185, 69420, 73580, 75561, 100748, 110370, 125935, 151122, 220740, 251870, 302244, 327431, 377805, 503740, 654862, 755610, 982293, 1309724, 1511220, 1637155, 1964586, 3274310, 3929172, 4911465, 6548620, 9822930, 19645860]

約数ペア:

[(1, 19645860), (2, 9822930), (3, 6548620), (4, 4911465), (5, 3929172), (6, 3274310), (10, 1964586), (12, 1637155), (13, 1511220), (15, 1309724), (20, 982293), (26, 755610), (30, 654862), (39, 503740), (52, 377805), (60, 327431), (65, 302244), (78, 251870), (89, 220740), (130, 151122), (156, 125935), (178, 110370), (195, 100748), (260, 75561), (267, 73580), (283, 69420), (356, 55185), (390, 50374), (445, 44148), (534, 36790), (566, 34710), (780, 25187), (849, 23140), (890, 22074), (1068, 18395), (1132, 17355), (1157, 16980), (1335, 14716), (1415, 13884), (1698, 11570), (1780, 11037), (2314, 8490), (2670, 7358), (2830, 6942), (3396, 5785), (3471, 5660), (3679, 5340), (4245, 4628)]