18042700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13879}}^1$

素因数の和:13906

約数の個数: 36

約数和(自身を含む): 42167440

約数和(自身を除く): 24124740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 13879, 27758, 55516, 69395, 138790, 180427, 277580, 346975, 360854, 693950, 721708, 902135, 1387900, 1804270, 3608540, 4510675, 9021350, 18042700]

約数ペア:

[(1, 18042700), (2, 9021350), (4, 4510675), (5, 3608540), (10, 1804270), (13, 1387900), (20, 902135), (25, 721708), (26, 693950), (50, 360854), (52, 346975), (65, 277580), (100, 180427), (130, 138790), (260, 69395), (325, 55516), (650, 27758), (1300, 13879)]