19828659952

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{881}}^1\times {\mathrm{45377}}^1$

素因数の和:46297

約数の個数: 40

約数和(自身を含む): 39703208832

約数和(自身を除く): 19874548880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 881, 1762, 3524, 7048, 14096, 27311, 45377, 54622, 90754, 109244, 181508, 218488, 363016, 436976, 726032, 1406687, 2813374, 5626748, 11253496, 22506992, 39977137, 79954274, 159908548, 319817096, 639634192, 1239291247, 2478582494, 4957164988, 9914329976, 19828659952]

約数ペア:

[(1, 19828659952), (2, 9914329976), (4, 4957164988), (8, 2478582494), (16, 1239291247), (31, 639634192), (62, 319817096), (124, 159908548), (248, 79954274), (496, 39977137), (881, 22506992), (1762, 11253496), (3524, 5626748), (7048, 2813374), (14096, 1406687), (27311, 726032), (45377, 436976), (54622, 363016), (90754, 218488), (109244, 181508)]