18643460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1021}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 43267392

約数和(自身を除く): 24623932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1021, 1660, 1826, 2042, 3652, 4084, 4565, 5105, 9130, 10210, 11231, 18260, 20420, 22462, 44924, 56155, 84743, 112310, 169486, 224620, 338972, 423715, 847430, 932173, 1694860, 1864346, 3728692, 4660865, 9321730, 18643460]

約数ペア:

[(1, 18643460), (2, 9321730), (4, 4660865), (5, 3728692), (10, 1864346), (11, 1694860), (20, 932173), (22, 847430), (44, 423715), (55, 338972), (83, 224620), (110, 169486), (166, 112310), (220, 84743), (332, 56155), (415, 44924), (830, 22462), (913, 20420), (1021, 18260), (1660, 11231), (1826, 10210), (2042, 9130), (3652, 5105), (4084, 4565)]