20181615524

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{68171}}^1$

素因数の和:68388

約数の個数: 48

約数和(自身を含む): 41154072960

約数和(自身を除く): 20972457436

約数列:

[1, 2, 4, 7, 14, 28, 97, 109, 194, 218, 388, 436, 679, 763, 1358, 1526, 2716, 3052, 10573, 21146, 42292, 68171, 74011, 136342, 148022, 272684, 296044, 477197, 954394, 1908788, 6612587, 7430639, 13225174, 14861278, 26450348, 29722556, 46288109, 52014473, 92576218, 104028946, 185152436, 208057892, 720771983, 1441543966, 2883087932, 5045403881, 10090807762, 20181615524]

約数ペア:

[(1, 20181615524), (2, 10090807762), (4, 5045403881), (7, 2883087932), (14, 1441543966), (28, 720771983), (97, 208057892), (109, 185152436), (194, 104028946), (218, 92576218), (388, 52014473), (436, 46288109), (679, 29722556), (763, 26450348), (1358, 14861278), (1526, 13225174), (2716, 7430639), (3052, 6612587), (10573, 1908788), (21146, 954394), (42292, 477197), (68171, 296044), (74011, 272684), (136342, 148022)]