18970665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2287}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 35143680

約数和(自身を除く): 16173015

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2287, 2765, 6861, 8295, 11435, 16009, 34305, 48027, 80045, 180673, 240135, 542019, 903365, 1264711, 2710095, 3794133, 6323555, 18970665]

約数ペア:

[(1, 18970665), (3, 6323555), (5, 3794133), (7, 2710095), (15, 1264711), (21, 903365), (35, 542019), (79, 240135), (105, 180673), (237, 80045), (395, 48027), (553, 34305), (1185, 16009), (1659, 11435), (2287, 8295), (2765, 6861)]