18404430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 49344768

約数和(自身を除く): 30940338

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1297, 1419, 2365, 2594, 2838, 3891, 4730, 6485, 7095, 7782, 12970, 14190, 14267, 19455, 28534, 38910, 42801, 55771, 71335, 85602, 111542, 142670, 167313, 214005, 278855, 334626, 428010, 557710, 613481, 836565, 1226962, 1673130, 1840443, 3067405, 3680886, 6134810, 9202215, 18404430]

約数ペア:

[(1, 18404430), (2, 9202215), (3, 6134810), (5, 3680886), (6, 3067405), (10, 1840443), (11, 1673130), (15, 1226962), (22, 836565), (30, 613481), (33, 557710), (43, 428010), (55, 334626), (66, 278855), (86, 214005), (110, 167313), (129, 142670), (165, 111542), (215, 85602), (258, 71335), (330, 55771), (430, 42801), (473, 38910), (645, 28534), (946, 19455), (1290, 14267), (1297, 14190), (1419, 12970), (2365, 7782), (2594, 7095), (2838, 6485), (3891, 4730)]