18672010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1699}}^1$

素因数の和:1870

約数の個数: 32

約数和(自身を含む): 38678400

約数和(自身を除く): 20006390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 1699, 2198, 3398, 5495, 8495, 10990, 11893, 16990, 23786, 59465, 118930, 266743, 533486, 1333715, 1867201, 2667430, 3734402, 9336005, 18672010]

約数ペア:

[(1, 18672010), (2, 9336005), (5, 3734402), (7, 2667430), (10, 1867201), (14, 1333715), (35, 533486), (70, 266743), (157, 118930), (314, 59465), (785, 23786), (1099, 16990), (1570, 11893), (1699, 10990), (2198, 8495), (3398, 5495)]