18035748

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 47663616

約数和(自身を除く): 29627868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 86, 122, 129, 172, 183, 191, 244, 258, 366, 382, 387, 516, 549, 573, 732, 764, 774, 1098, 1146, 1548, 1719, 2196, 2292, 2623, 3438, 5246, 6876, 7869, 8213, 10492, 11651, 15738, 16426, 23302, 23607, 24639, 31476, 32852, 34953, 46604, 47214, 49278, 69906, 73917, 94428, 98556, 104859, 139812, 147834, 209718, 295668, 419436, 500993, 1001986, 1502979, 2003972, 3005958, 4508937, 6011916, 9017874, 18035748]

約数ペア:

[(1, 18035748), (2, 9017874), (3, 6011916), (4, 4508937), (6, 3005958), (9, 2003972), (12, 1502979), (18, 1001986), (36, 500993), (43, 419436), (61, 295668), (86, 209718), (122, 147834), (129, 139812), (172, 104859), (183, 98556), (191, 94428), (244, 73917), (258, 69906), (366, 49278), (382, 47214), (387, 46604), (516, 34953), (549, 32852), (573, 31476), (732, 24639), (764, 23607), (774, 23302), (1098, 16426), (1146, 15738), (1548, 11651), (1719, 10492), (2196, 8213), (2292, 7869), (2623, 6876), (3438, 5246)]