19990150

素因数分解:

$2^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{2311}}^1$

素因数の和:2496

約数の個数: 24

約数和(自身を含む): 37412784

約数和(自身を除く): 17422634

約数列:

[1, 2, 5, 10, 25, 50, 173, 346, 865, 1730, 2311, 4325, 4622, 8650, 11555, 23110, 57775, 115550, 399803, 799606, 1999015, 3998030, 9995075, 19990150]

約数ペア:

[(1, 19990150), (2, 9995075), (5, 3998030), (10, 1999015), (25, 799606), (50, 399803), (173, 115550), (346, 57775), (865, 23110), (1730, 11555), (2311, 8650), (4325, 4622)]