18398820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 57246336

約数和(自身を除く): 38847516

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 61, 66, 110, 122, 132, 165, 183, 220, 244, 305, 330, 366, 457, 610, 660, 671, 732, 914, 915, 1220, 1342, 1371, 1828, 1830, 2013, 2285, 2684, 2742, 3355, 3660, 4026, 4570, 5027, 5484, 6710, 6855, 8052, 9140, 10054, 10065, 13420, 13710, 15081, 20108, 20130, 25135, 27420, 27877, 30162, 40260, 50270, 55754, 60324, 75405, 83631, 100540, 111508, 139385, 150810, 167262, 278770, 301620, 306647, 334524, 418155, 557540, 613294, 836310, 919941, 1226588, 1533235, 1672620, 1839882, 3066470, 3679764, 4599705, 6132940, 9199410, 18398820]

約数ペア:

[(1, 18398820), (2, 9199410), (3, 6132940), (4, 4599705), (5, 3679764), (6, 3066470), (10, 1839882), (11, 1672620), (12, 1533235), (15, 1226588), (20, 919941), (22, 836310), (30, 613294), (33, 557540), (44, 418155), (55, 334524), (60, 306647), (61, 301620), (66, 278770), (110, 167262), (122, 150810), (132, 139385), (165, 111508), (183, 100540), (220, 83631), (244, 75405), (305, 60324), (330, 55754), (366, 50270), (457, 40260), (610, 30162), (660, 27877), (671, 27420), (732, 25135), (914, 20130), (915, 20108), (1220, 15081), (1342, 13710), (1371, 13420), (1828, 10065), (1830, 10054), (2013, 9140), (2285, 8052), (2684, 6855), (2742, 6710), (3355, 5484), (3660, 5027), (4026, 4570)]