18996780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 39789780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 107, 110, 132, 165, 214, 220, 269, 321, 330, 428, 535, 538, 642, 660, 807, 1070, 1076, 1177, 1284, 1345, 1605, 1614, 2140, 2354, 2690, 2959, 3210, 3228, 3531, 4035, 4708, 5380, 5885, 5918, 6420, 7062, 8070, 8877, 11770, 11836, 14124, 14795, 16140, 17655, 17754, 23540, 28783, 29590, 35310, 35508, 44385, 57566, 59180, 70620, 86349, 88770, 115132, 143915, 172698, 177540, 287830, 316613, 345396, 431745, 575660, 633226, 863490, 949839, 1266452, 1583065, 1726980, 1899678, 3166130, 3799356, 4749195, 6332260, 9498390, 18996780]

約数ペア:

[(1, 18996780), (2, 9498390), (3, 6332260), (4, 4749195), (5, 3799356), (6, 3166130), (10, 1899678), (11, 1726980), (12, 1583065), (15, 1266452), (20, 949839), (22, 863490), (30, 633226), (33, 575660), (44, 431745), (55, 345396), (60, 316613), (66, 287830), (107, 177540), (110, 172698), (132, 143915), (165, 115132), (214, 88770), (220, 86349), (269, 70620), (321, 59180), (330, 57566), (428, 44385), (535, 35508), (538, 35310), (642, 29590), (660, 28783), (807, 23540), (1070, 17754), (1076, 17655), (1177, 16140), (1284, 14795), (1345, 14124), (1605, 11836), (1614, 11770), (2140, 8877), (2354, 8070), (2690, 7062), (2959, 6420), (3210, 5918), (3228, 5885), (3531, 5380), (4035, 4708)]