18579870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4801}}^1$

素因数の和:4857

約数の個数: 48

約数和(自身を含む): 49441392

約数和(自身を除く): 30861522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 4801, 9602, 14403, 24005, 28806, 43209, 48010, 72015, 86418, 144030, 206443, 216045, 412886, 432090, 619329, 1032215, 1238658, 1857987, 2064430, 3096645, 3715974, 6193290, 9289935, 18579870]

約数ペア:

[(1, 18579870), (2, 9289935), (3, 6193290), (5, 3715974), (6, 3096645), (9, 2064430), (10, 1857987), (15, 1238658), (18, 1032215), (30, 619329), (43, 432090), (45, 412886), (86, 216045), (90, 206443), (129, 144030), (215, 86418), (258, 72015), (387, 48010), (430, 43209), (645, 28806), (774, 24005), (1290, 14403), (1935, 9602), (3870, 4801)]