2019806890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{53279}}^1$

素因数の和:53526

約数の個数: 32

約数和(自身を含む): 3866849280

約数和(自身を除く): 1847042390

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 223, 446, 1115, 2230, 3791, 7582, 18955, 37910, 53279, 106558, 266395, 532790, 905743, 1811486, 4528715, 9057430, 11881217, 23762434, 59406085, 118812170, 201980689, 403961378, 1009903445, 2019806890]

約数ペア:

[(1, 2019806890), (2, 1009903445), (5, 403961378), (10, 201980689), (17, 118812170), (34, 59406085), (85, 23762434), (170, 11881217), (223, 9057430), (446, 4528715), (1115, 1811486), (2230, 905743), (3791, 532790), (7582, 266395), (18955, 106558), (37910, 53279)]