19898228

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2459}}^1$

素因数の和:2504

約数の個数: 36

約数和(自身を含む): 42292320

約数和(自身を除く): 22394092

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2459, 4046, 4918, 8092, 9836, 17213, 34426, 41803, 68852, 83606, 167212, 292621, 585242, 710651, 1170484, 1421302, 2842604, 4974557, 9949114, 19898228]

約数ペア:

[(1, 19898228), (2, 9949114), (4, 4974557), (7, 2842604), (14, 1421302), (17, 1170484), (28, 710651), (34, 585242), (68, 292621), (119, 167212), (238, 83606), (289, 68852), (476, 41803), (578, 34426), (1156, 17213), (2023, 9836), (2459, 8092), (4046, 4918)]