18621638

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 33343488

約数和(自身を除く): 14721850

約数列:

[1, 2, 7, 14, 31, 62, 107, 214, 217, 401, 434, 749, 802, 1498, 2807, 3317, 5614, 6634, 12431, 23219, 24862, 42907, 46438, 85814, 87017, 174034, 300349, 600698, 1330117, 2660234, 9310819, 18621638]

約数ペア:

[(1, 18621638), (2, 9310819), (7, 2660234), (14, 1330117), (31, 600698), (62, 300349), (107, 174034), (214, 87017), (217, 85814), (401, 46438), (434, 42907), (749, 24862), (802, 23219), (1498, 12431), (2807, 6634), (3317, 5614)]