19697535

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3061}}^1$

素因数の和:3096

約数の個数: 48

約数和(自身を含む): 40124448

約数和(自身を除く): 20426913

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 3061, 6435, 9183, 15305, 27549, 33671, 39793, 45915, 101013, 119379, 137745, 168355, 198965, 303039, 358137, 437723, 505065, 596895, 1313169, 1515195, 1790685, 2188615, 3939507, 6565845, 19697535]

約数ペア:

[(1, 19697535), (3, 6565845), (5, 3939507), (9, 2188615), (11, 1790685), (13, 1515195), (15, 1313169), (33, 596895), (39, 505065), (45, 437723), (55, 358137), (65, 303039), (99, 198965), (117, 168355), (143, 137745), (165, 119379), (195, 101013), (429, 45915), (495, 39793), (585, 33671), (715, 27549), (1287, 15305), (2145, 9183), (3061, 6435)]