19187190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19381}}^1$

素因数の和:19405

約数の個数: 48

約数和(自身を含む): 54424656

約数和(自身を除く): 35237466

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19381, 38762, 58143, 96905, 116286, 174429, 193810, 213191, 290715, 348858, 426382, 581430, 639573, 872145, 1065955, 1279146, 1744290, 1918719, 2131910, 3197865, 3837438, 6395730, 9593595, 19187190]

約数ペア:

[(1, 19187190), (2, 9593595), (3, 6395730), (5, 3837438), (6, 3197865), (9, 2131910), (10, 1918719), (11, 1744290), (15, 1279146), (18, 1065955), (22, 872145), (30, 639573), (33, 581430), (45, 426382), (55, 348858), (66, 290715), (90, 213191), (99, 193810), (110, 174429), (165, 116286), (198, 96905), (330, 58143), (495, 38762), (990, 19381)]