19015678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5801}}^1$

素因数の和:5963

約数の個数: 16

約数和(自身を含む): 31330800

約数和(自身を除く): 12315122

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 5801, 11602, 63811, 127622, 864349, 1728698, 9507839, 19015678]

約数ペア:

[(1, 19015678), (2, 9507839), (11, 1728698), (22, 864349), (149, 127622), (298, 63811), (1639, 11602), (3278, 5801)]