19648172

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 35720832

約数和(自身を除く): 16072660

約数列:

[1, 2, 4, 31, 62, 124, 193, 386, 772, 821, 1642, 3284, 5983, 11966, 23932, 25451, 50902, 101804, 158453, 316906, 633812, 4912043, 9824086, 19648172]

約数ペア:

[(1, 19648172), (2, 9824086), (4, 4912043), (31, 633812), (62, 316906), (124, 158453), (193, 101804), (386, 50902), (772, 25451), (821, 23932), (1642, 11966), (3284, 5983)]