18473805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 38085120

約数和(自身を除く): 19611315

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 113, 135, 173, 189, 315, 339, 519, 565, 791, 865, 945, 1017, 1211, 1557, 1695, 2373, 2595, 3051, 3633, 3955, 4671, 5085, 6055, 7119, 7785, 10899, 11865, 15255, 18165, 19549, 21357, 23355, 32697, 35595, 54495, 58647, 97745, 106785, 136843, 163485, 175941, 293235, 410529, 527823, 684215, 879705, 1231587, 2052645, 2639115, 3694761, 6157935, 18473805]

約数ペア:

[(1, 18473805), (3, 6157935), (5, 3694761), (7, 2639115), (9, 2052645), (15, 1231587), (21, 879705), (27, 684215), (35, 527823), (45, 410529), (63, 293235), (105, 175941), (113, 163485), (135, 136843), (173, 106785), (189, 97745), (315, 58647), (339, 54495), (519, 35595), (565, 32697), (791, 23355), (865, 21357), (945, 19549), (1017, 18165), (1211, 15255), (1557, 11865), (1695, 10899), (2373, 7785), (2595, 7119), (3051, 6055), (3633, 5085), (3955, 4671)]