18396810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2963

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 30125430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 2879, 3195, 5758, 6390, 8637, 14395, 17274, 25911, 28790, 43185, 51822, 86370, 129555, 204409, 259110, 408818, 613227, 1022045, 1226454, 1839681, 2044090, 3066135, 3679362, 6132270, 9198405, 18396810]

約数ペア:

[(1, 18396810), (2, 9198405), (3, 6132270), (5, 3679362), (6, 3066135), (9, 2044090), (10, 1839681), (15, 1226454), (18, 1022045), (30, 613227), (45, 408818), (71, 259110), (90, 204409), (142, 129555), (213, 86370), (355, 51822), (426, 43185), (639, 28790), (710, 25911), (1065, 17274), (1278, 14395), (2130, 8637), (2879, 6390), (3195, 5758)]