18847993905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{41897}}^1$

素因数の和:42690

約数の個数: 48

約数和(自身を含む): 35229514320

約数和(自身を除く): 16381520415

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 769, 2307, 3845, 6921, 9997, 11535, 29991, 34605, 41897, 49985, 89973, 125691, 149955, 209485, 377073, 449865, 544661, 628455, 1633983, 1885365, 2723305, 4901949, 8169915, 24509745, 32218793, 96656379, 161093965, 289969137, 418844309, 483281895, 1256532927, 1449845685, 2094221545, 3769598781, 6282664635, 18847993905]

約数ペア:

[(1, 18847993905), (3, 6282664635), (5, 3769598781), (9, 2094221545), (13, 1449845685), (15, 1256532927), (39, 483281895), (45, 418844309), (65, 289969137), (117, 161093965), (195, 96656379), (585, 32218793), (769, 24509745), (2307, 8169915), (3845, 4901949), (6921, 2723305), (9997, 1885365), (11535, 1633983), (29991, 628455), (34605, 544661), (41897, 449865), (49985, 377073), (89973, 209485), (125691, 149955)]