18208160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3717

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 26208352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3671, 4960, 7342, 14684, 18355, 29368, 36710, 58736, 73420, 113801, 117472, 146840, 227602, 293680, 455204, 569005, 587360, 910408, 1138010, 1820816, 2276020, 3641632, 4552040, 9104080, 18208160]

約数ペア:

[(1, 18208160), (2, 9104080), (4, 4552040), (5, 3641632), (8, 2276020), (10, 1820816), (16, 1138010), (20, 910408), (31, 587360), (32, 569005), (40, 455204), (62, 293680), (80, 227602), (124, 146840), (155, 117472), (160, 113801), (248, 73420), (310, 58736), (496, 36710), (620, 29368), (992, 18355), (1240, 14684), (2480, 7342), (3671, 4960)]