19961030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 37417248

約数和(自身を除く): 17456218

約数列:

[1, 2, 5, 10, 43, 61, 86, 122, 215, 305, 430, 610, 761, 1522, 2623, 3805, 5246, 7610, 13115, 26230, 32723, 46421, 65446, 92842, 163615, 232105, 327230, 464210, 1996103, 3992206, 9980515, 19961030]

約数ペア:

[(1, 19961030), (2, 9980515), (5, 3992206), (10, 1996103), (43, 464210), (61, 327230), (86, 232105), (122, 163615), (215, 92842), (305, 65446), (430, 46421), (610, 32723), (761, 26230), (1522, 13115), (2623, 7610), (3805, 5246)]