18465160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9421}}^1$

素因数の和:9446

約数の個数: 48

約数和(自身を含む): 48334860

約数和(自身を除く): 29869700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9421, 18842, 37684, 47105, 65947, 75368, 94210, 131894, 188420, 263788, 329735, 376840, 461629, 527576, 659470, 923258, 1318940, 1846516, 2308145, 2637880, 3693032, 4616290, 9232580, 18465160]

約数ペア:

[(1, 18465160), (2, 9232580), (4, 4616290), (5, 3693032), (7, 2637880), (8, 2308145), (10, 1846516), (14, 1318940), (20, 923258), (28, 659470), (35, 527576), (40, 461629), (49, 376840), (56, 329735), (70, 263788), (98, 188420), (140, 131894), (196, 94210), (245, 75368), (280, 65947), (392, 47105), (490, 37684), (980, 18842), (1960, 9421)]