17718172

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 31777200

約数和(自身を除く): 14059028

約数列:

[1, 2, 4, 59, 118, 193, 236, 386, 389, 772, 778, 1556, 11387, 22774, 22951, 45548, 45902, 75077, 91804, 150154, 300308, 4429543, 8859086, 17718172]

約数ペア:

[(1, 17718172), (2, 8859086), (4, 4429543), (59, 300308), (118, 150154), (193, 91804), (236, 75077), (386, 45902), (389, 45548), (772, 22951), (778, 22774), (1556, 11387)]