17994860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1033}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 41343456

約数和(自身を除く): 23348596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1033, 1340, 1742, 2066, 3484, 4132, 4355, 5165, 8710, 10330, 13429, 17420, 20660, 26858, 53716, 67145, 69211, 134290, 138422, 268580, 276844, 346055, 692110, 899743, 1384220, 1799486, 3598972, 4498715, 8997430, 17994860]

約数ペア:

[(1, 17994860), (2, 8997430), (4, 4498715), (5, 3598972), (10, 1799486), (13, 1384220), (20, 899743), (26, 692110), (52, 346055), (65, 276844), (67, 268580), (130, 138422), (134, 134290), (260, 69211), (268, 67145), (335, 53716), (670, 26858), (871, 20660), (1033, 17420), (1340, 13429), (1742, 10330), (2066, 8710), (3484, 5165), (4132, 4355)]