19157215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2927}}^1$

素因数の和:2967

約数の個数: 32

約数和(自身を含む): 30357504

約数和(自身を除く): 11200289

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2927, 6545, 14635, 20489, 32197, 49759, 102445, 160985, 225379, 248795, 348313, 547349, 1126895, 1741565, 2736745, 3831443, 19157215]

約数ペア:

[(1, 19157215), (5, 3831443), (7, 2736745), (11, 1741565), (17, 1126895), (35, 547349), (55, 348313), (77, 248795), (85, 225379), (119, 160985), (187, 102445), (385, 49759), (595, 32197), (935, 20489), (1309, 14635), (2927, 6545)]