18205356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 47222784

約数和(自身を除く): 29017428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 169, 188, 191, 282, 338, 382, 507, 564, 573, 611, 676, 764, 1014, 1146, 1222, 1833, 2028, 2292, 2444, 2483, 3666, 4966, 7332, 7449, 7943, 8977, 9932, 14898, 15886, 17954, 23829, 26931, 29796, 31772, 32279, 35908, 47658, 53862, 64558, 95316, 96837, 107724, 116701, 129116, 193674, 233402, 350103, 387348, 466804, 700206, 1400412, 1517113, 3034226, 4551339, 6068452, 9102678, 18205356]

約数ペア:

[(1, 18205356), (2, 9102678), (3, 6068452), (4, 4551339), (6, 3034226), (12, 1517113), (13, 1400412), (26, 700206), (39, 466804), (47, 387348), (52, 350103), (78, 233402), (94, 193674), (141, 129116), (156, 116701), (169, 107724), (188, 96837), (191, 95316), (282, 64558), (338, 53862), (382, 47658), (507, 35908), (564, 32279), (573, 31772), (611, 29796), (676, 26931), (764, 23829), (1014, 17954), (1146, 15886), (1222, 14898), (1833, 9932), (2028, 8977), (2292, 7943), (2444, 7449), (2483, 7332), (3666, 4966)]