18742860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 59371200

約数和(自身を除く): 40628340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 569, 610, 732, 915, 1098, 1138, 1220, 1647, 1707, 1830, 2196, 2276, 2745, 2845, 3294, 3414, 3660, 5121, 5490, 5690, 6588, 6828, 8235, 8535, 10242, 10980, 11380, 15363, 16470, 17070, 20484, 25605, 30726, 32940, 34140, 34709, 51210, 61452, 69418, 76815, 102420, 104127, 138836, 153630, 173545, 208254, 307260, 312381, 347090, 416508, 520635, 624762, 694180, 937143, 1041270, 1249524, 1561905, 1874286, 2082540, 3123810, 3748572, 4685715, 6247620, 9371430, 18742860]

約数ペア:

[(1, 18742860), (2, 9371430), (3, 6247620), (4, 4685715), (5, 3748572), (6, 3123810), (9, 2082540), (10, 1874286), (12, 1561905), (15, 1249524), (18, 1041270), (20, 937143), (27, 694180), (30, 624762), (36, 520635), (45, 416508), (54, 347090), (60, 312381), (61, 307260), (90, 208254), (108, 173545), (122, 153630), (135, 138836), (180, 104127), (183, 102420), (244, 76815), (270, 69418), (305, 61452), (366, 51210), (540, 34709), (549, 34140), (569, 32940), (610, 30726), (732, 25605), (915, 20484), (1098, 17070), (1138, 16470), (1220, 15363), (1647, 11380), (1707, 10980), (1830, 10242), (2196, 8535), (2276, 8235), (2745, 6828), (2845, 6588), (3294, 5690), (3414, 5490), (3660, 5121)]