19883730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28817}}^1$

素因数の和:28850

約数の個数: 32

約数和(自身を含む): 49797504

約数和(自身を除く): 29913774

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28817, 57634, 86451, 144085, 172902, 288170, 432255, 662791, 864510, 1325582, 1988373, 3313955, 3976746, 6627910, 9941865, 19883730]

約数ペア:

[(1, 19883730), (2, 9941865), (3, 6627910), (5, 3976746), (6, 3313955), (10, 1988373), (15, 1325582), (23, 864510), (30, 662791), (46, 432255), (69, 288170), (115, 172902), (138, 144085), (230, 86451), (345, 57634), (690, 28817)]