18956972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1871}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 16423828

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 1871, 2533, 3742, 5066, 7484, 10132, 31807, 63614, 127228, 278779, 557558, 1115116, 4739243, 9478486, 18956972]

約数ペア:

[(1, 18956972), (2, 9478486), (4, 4739243), (17, 1115116), (34, 557558), (68, 278779), (149, 127228), (298, 63614), (596, 31807), (1871, 10132), (2533, 7484), (3742, 5066)]