2019401270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{17971}}^1$

素因数の和:18656

約数の個数: 32

約数和(自身を含む): 3854778336

約数和(自身を除く): 1835377066

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 661, 1322, 3305, 6610, 11237, 17971, 22474, 35942, 56185, 89855, 112370, 179710, 305507, 611014, 1527535, 3055070, 11878831, 23757662, 59394155, 118788310, 201940127, 403880254, 1009700635, 2019401270]

約数ペア:

[(1, 2019401270), (2, 1009700635), (5, 403880254), (10, 201940127), (17, 118788310), (34, 59394155), (85, 23757662), (170, 11878831), (661, 3055070), (1322, 1527535), (3305, 611014), (6610, 305507), (11237, 179710), (17971, 112370), (22474, 89855), (35942, 56185)]