17968851940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1031507}}^1$

素因数の和:1031596

約数の個数: 48

約数和(自身を含む): 41243815872

約数和(自身を除く): 23274963932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 1031507, 2063014, 4126028, 5157535, 10315070, 13409591, 20630140, 26819182, 53638364, 67047955, 69110969, 134095910, 138221938, 268191820, 276443876, 345554845, 691109690, 898442597, 1382219380, 1796885194, 3593770388, 4492212985, 8984425970, 17968851940]

約数ペア:

[(1, 17968851940), (2, 8984425970), (4, 4492212985), (5, 3593770388), (10, 1796885194), (13, 1382219380), (20, 898442597), (26, 691109690), (52, 345554845), (65, 276443876), (67, 268191820), (130, 138221938), (134, 134095910), (260, 69110969), (268, 67047955), (335, 53638364), (670, 26819182), (871, 20630140), (1340, 13409591), (1742, 10315070), (3484, 5157535), (4355, 4126028), (8710, 2063014), (17420, 1031507)]