18127760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32371}}^1$

素因数の和:32391

約数の個数: 40

約数和(自身を含む): 48169536

約数和(自身を除く): 30041776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32371, 64742, 129484, 161855, 226597, 258968, 323710, 453194, 517936, 647420, 906388, 1132985, 1294840, 1812776, 2265970, 2589680, 3625552, 4531940, 9063880, 18127760]

約数ペア:

[(1, 18127760), (2, 9063880), (4, 4531940), (5, 3625552), (7, 2589680), (8, 2265970), (10, 1812776), (14, 1294840), (16, 1132985), (20, 906388), (28, 647420), (35, 517936), (40, 453194), (56, 323710), (70, 258968), (80, 226597), (112, 161855), (140, 129484), (280, 64742), (560, 32371)]