18831132848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1\times {\mathrm{1489}}^1$

素因数の和:2086

約数の個数: 80

約数和(自身を含む): 40149826080

約数和(自身を除く): 21318693232

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 397, 724, 794, 1448, 1489, 1588, 1991, 2896, 2978, 3176, 3982, 4367, 5956, 6352, 7964, 8734, 11912, 15928, 16379, 17468, 23824, 31856, 32758, 34936, 65516, 69872, 71857, 131032, 143714, 262064, 269509, 287428, 539018, 574856, 591133, 790427, 1078036, 1149712, 1182266, 1580854, 2156072, 2364532, 2964599, 3161708, 4312144, 4729064, 5929198, 6323416, 6502463, 9458128, 11858396, 12646832, 13004926, 23716792, 26009852, 47433584, 52019704, 104039408, 106995073, 213990146, 427980292, 855960584, 1176945803, 1711921168, 2353891606, 4707783212, 9415566424, 18831132848]

約数ペア:

[(1, 18831132848), (2, 9415566424), (4, 4707783212), (8, 2353891606), (11, 1711921168), (16, 1176945803), (22, 855960584), (44, 427980292), (88, 213990146), (176, 106995073), (181, 104039408), (362, 52019704), (397, 47433584), (724, 26009852), (794, 23716792), (1448, 13004926), (1489, 12646832), (1588, 11858396), (1991, 9458128), (2896, 6502463), (2978, 6323416), (3176, 5929198), (3982, 4729064), (4367, 4312144), (5956, 3161708), (6352, 2964599), (7964, 2364532), (8734, 2156072), (11912, 1580854), (15928, 1182266), (16379, 1149712), (17468, 1078036), (23824, 790427), (31856, 591133), (32758, 574856), (34936, 539018), (65516, 287428), (69872, 269509), (71857, 262064), (131032, 143714)]