19876740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1499}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 43627260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 1499, 2210, 2652, 2998, 3315, 4420, 4497, 5996, 6630, 7495, 8994, 13260, 14990, 17988, 19487, 22485, 25483, 29980, 38974, 44970, 50966, 58461, 76449, 77948, 89940, 97435, 101932, 116922, 127415, 152898, 194870, 233844, 254830, 292305, 305796, 331279, 382245, 389740, 509660, 584610, 662558, 764490, 993837, 1169220, 1325116, 1528980, 1656395, 1987674, 3312790, 3975348, 4969185, 6625580, 9938370, 19876740]

約数ペア:

[(1, 19876740), (2, 9938370), (3, 6625580), (4, 4969185), (5, 3975348), (6, 3312790), (10, 1987674), (12, 1656395), (13, 1528980), (15, 1325116), (17, 1169220), (20, 993837), (26, 764490), (30, 662558), (34, 584610), (39, 509660), (51, 389740), (52, 382245), (60, 331279), (65, 305796), (68, 292305), (78, 254830), (85, 233844), (102, 194870), (130, 152898), (156, 127415), (170, 116922), (195, 101932), (204, 97435), (221, 89940), (255, 77948), (260, 76449), (340, 58461), (390, 50966), (442, 44970), (510, 38974), (663, 29980), (780, 25483), (884, 22485), (1020, 19487), (1105, 17988), (1326, 14990), (1499, 13260), (2210, 8994), (2652, 7495), (2998, 6630), (3315, 5996), (4420, 4497)]