19792305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1471}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 38578176

約数和(自身を除く): 18785871

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1471, 1495, 2691, 4413, 4485, 7355, 13239, 13455, 19123, 22065, 33833, 57369, 66195, 95615, 101499, 169165, 172107, 286845, 304497, 439829, 507495, 860535, 1319487, 1522485, 2199145, 3958461, 6597435, 19792305]

約数ペア:

[(1, 19792305), (3, 6597435), (5, 3958461), (9, 2199145), (13, 1522485), (15, 1319487), (23, 860535), (39, 507495), (45, 439829), (65, 304497), (69, 286845), (115, 172107), (117, 169165), (195, 101499), (207, 95615), (299, 66195), (345, 57369), (585, 33833), (897, 22065), (1035, 19123), (1471, 13455), (1495, 13239), (2691, 7355), (4413, 4485)]