20218113218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1\times {\mathrm{12637}}^1$

素因数の和:13322

約数の個数: 32

約数和(自身を含む): 32430119040

約数和(自身を除く): 12212005822

約数列:

[1, 2, 19, 38, 71, 142, 593, 1186, 1349, 2698, 11267, 12637, 22534, 25274, 42103, 84206, 240103, 480206, 799957, 897227, 1599914, 1794454, 7493741, 14987482, 17047313, 34094626, 142381079, 284762158, 532055611, 1064111222, 10109056609, 20218113218]

約数ペア:

[(1, 20218113218), (2, 10109056609), (19, 1064111222), (38, 532055611), (71, 284762158), (142, 142381079), (593, 34094626), (1186, 17047313), (1349, 14987482), (2698, 7493741), (11267, 1794454), (12637, 1599914), (22534, 897227), (25274, 799957), (42103, 480206), (84206, 240103)]