18273580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 41983200

約数和(自身を除く): 23709620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1049, 1340, 1742, 2098, 3484, 4196, 4355, 5245, 8710, 10490, 13637, 17420, 20980, 27274, 54548, 68185, 70283, 136370, 140566, 272740, 281132, 351415, 702830, 913679, 1405660, 1827358, 3654716, 4568395, 9136790, 18273580]

約数ペア:

[(1, 18273580), (2, 9136790), (4, 4568395), (5, 3654716), (10, 1827358), (13, 1405660), (20, 913679), (26, 702830), (52, 351415), (65, 281132), (67, 272740), (130, 140566), (134, 136370), (260, 70283), (268, 68185), (335, 54548), (670, 27274), (871, 20980), (1049, 17420), (1340, 13637), (1742, 10490), (2098, 8710), (3484, 5245), (4196, 4355)]