18245490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1487}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 43925760

約数和(自身を除く): 25680270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 1487, 2045, 2454, 2974, 4090, 4461, 6135, 7435, 8922, 12270, 14870, 22305, 44610, 608183, 1216366, 1824549, 3040915, 3649098, 6081830, 9122745, 18245490]

約数ペア:

[(1, 18245490), (2, 9122745), (3, 6081830), (5, 3649098), (6, 3040915), (10, 1824549), (15, 1216366), (30, 608183), (409, 44610), (818, 22305), (1227, 14870), (1487, 12270), (2045, 8922), (2454, 7435), (2974, 6135), (4090, 4461)]