18856990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 16808930

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1031, 1829, 2062, 3658, 5155, 9145, 10310, 18290, 31961, 60829, 63922, 121658, 159805, 304145, 319610, 608290, 1885699, 3771398, 9428495, 18856990]

約数ペア:

[(1, 18856990), (2, 9428495), (5, 3771398), (10, 1885699), (31, 608290), (59, 319610), (62, 304145), (118, 159805), (155, 121658), (295, 63922), (310, 60829), (590, 31961), (1031, 18290), (1829, 10310), (2062, 9145), (3658, 5155)]