1987406810

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{18797}}^1$

素因数の和:19010

約数の個数: 32

約数和(自身を含む): 3647563920

約数和(自身を除く): 1660157110

約数列:

[1, 2, 5, 10, 97, 109, 194, 218, 485, 545, 970, 1090, 10573, 18797, 21146, 37594, 52865, 93985, 105730, 187970, 1823309, 2048873, 3646618, 4097746, 9116545, 10244365, 18233090, 20488730, 198740681, 397481362, 993703405, 1987406810]

約数ペア:

[(1, 1987406810), (2, 993703405), (5, 397481362), (10, 198740681), (97, 20488730), (109, 18233090), (194, 10244365), (218, 9116545), (485, 4097746), (545, 3646618), (970, 2048873), (1090, 1823309), (10573, 187970), (18797, 105730), (21146, 93985), (37594, 52865)]