19802610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 53602560

約数和(自身を除く): 33799950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1033, 1065, 1278, 1917, 2066, 2130, 3099, 3195, 3834, 5165, 6198, 6390, 9297, 9585, 10330, 15495, 18594, 19170, 27891, 30990, 46485, 55782, 73343, 92970, 139455, 146686, 220029, 278910, 366715, 440058, 660087, 733430, 1100145, 1320174, 1980261, 2200290, 3300435, 3960522, 6600870, 9901305, 19802610]

約数ペア:

[(1, 19802610), (2, 9901305), (3, 6600870), (5, 3960522), (6, 3300435), (9, 2200290), (10, 1980261), (15, 1320174), (18, 1100145), (27, 733430), (30, 660087), (45, 440058), (54, 366715), (71, 278910), (90, 220029), (135, 146686), (142, 139455), (213, 92970), (270, 73343), (355, 55782), (426, 46485), (639, 30990), (710, 27891), (1033, 19170), (1065, 18594), (1278, 15495), (1917, 10330), (2066, 9585), (2130, 9297), (3099, 6390), (3195, 6198), (3834, 5165)]