18823660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 22851092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 230, 271, 302, 460, 542, 604, 755, 1084, 1355, 1510, 2710, 3020, 3473, 5420, 6233, 6946, 12466, 13892, 17365, 24932, 31165, 34730, 40921, 62330, 69460, 81842, 124660, 163684, 204605, 409210, 818420, 941183, 1882366, 3764732, 4705915, 9411830, 18823660]

約数ペア:

[(1, 18823660), (2, 9411830), (4, 4705915), (5, 3764732), (10, 1882366), (20, 941183), (23, 818420), (46, 409210), (92, 204605), (115, 163684), (151, 124660), (230, 81842), (271, 69460), (302, 62330), (460, 40921), (542, 34730), (604, 31165), (755, 24932), (1084, 17365), (1355, 13892), (1510, 12466), (2710, 6946), (3020, 6233), (3473, 5420)]