18556890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 49548672

約数和(自身を除く): 30991782

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 53, 55, 66, 106, 110, 159, 165, 265, 318, 330, 530, 583, 795, 1061, 1166, 1590, 1749, 2122, 2915, 3183, 3498, 5305, 5830, 6366, 8745, 10610, 11671, 15915, 17490, 23342, 31830, 35013, 56233, 58355, 70026, 112466, 116710, 168699, 175065, 281165, 337398, 350130, 562330, 618563, 843495, 1237126, 1686990, 1855689, 3092815, 3711378, 6185630, 9278445, 18556890]

約数ペア:

[(1, 18556890), (2, 9278445), (3, 6185630), (5, 3711378), (6, 3092815), (10, 1855689), (11, 1686990), (15, 1237126), (22, 843495), (30, 618563), (33, 562330), (53, 350130), (55, 337398), (66, 281165), (106, 175065), (110, 168699), (159, 116710), (165, 112466), (265, 70026), (318, 58355), (330, 56233), (530, 35013), (583, 31830), (795, 23342), (1061, 17490), (1166, 15915), (1590, 11671), (1749, 10610), (2122, 8745), (2915, 6366), (3183, 5830), (3498, 5305)]