18610185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 33801408

約数和(自身を除く): 15191223

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 61, 129, 165, 183, 215, 305, 473, 645, 671, 915, 1419, 1849, 2013, 2365, 2623, 3355, 5547, 7095, 7869, 9245, 10065, 13115, 20339, 27735, 28853, 39345, 61017, 86559, 101695, 112789, 144265, 305085, 338367, 432795, 563945, 1240679, 1691835, 3722037, 6203395, 18610185]

約数ペア:

[(1, 18610185), (3, 6203395), (5, 3722037), (11, 1691835), (15, 1240679), (33, 563945), (43, 432795), (55, 338367), (61, 305085), (129, 144265), (165, 112789), (183, 101695), (215, 86559), (305, 61017), (473, 39345), (645, 28853), (671, 27735), (915, 20339), (1419, 13115), (1849, 10065), (2013, 9245), (2365, 7869), (2623, 7095), (3355, 5547)]