18901010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3266

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 18078190

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3209, 5890, 6418, 16045, 32090, 60971, 99479, 121942, 198958, 304855, 497395, 609710, 994790, 1890101, 3780202, 9450505, 18901010]

約数ペア:

[(1, 18901010), (2, 9450505), (5, 3780202), (10, 1890101), (19, 994790), (31, 609710), (38, 497395), (62, 304855), (95, 198958), (155, 121942), (190, 99479), (310, 60971), (589, 32090), (1178, 16045), (2945, 6418), (3209, 5890)]