11997968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:735

約数の個数: 40

約数和(自身を含む): 24909120

約数和(自身を除く): 12911152

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 647, 976, 1159, 1294, 2318, 2588, 4636, 5176, 9272, 10352, 12293, 18544, 24586, 39467, 49172, 78934, 98344, 157868, 196688, 315736, 631472, 749873, 1499746, 2999492, 5998984, 11997968]

約数ペア:

[(1, 11997968), (2, 5998984), (4, 2999492), (8, 1499746), (16, 749873), (19, 631472), (38, 315736), (61, 196688), (76, 157868), (122, 98344), (152, 78934), (244, 49172), (304, 39467), (488, 24586), (647, 18544), (976, 12293), (1159, 10352), (1294, 9272), (2318, 5176), (2588, 4636)]