17998738

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 24

約数和(自身を含む): 28899612

約数和(自身を除く): 10900874

約数列:

[1, 2, 19, 38, 97, 194, 257, 361, 514, 722, 1843, 3686, 4883, 9766, 24929, 35017, 49858, 70034, 92777, 185554, 473651, 947302, 8999369, 17998738]

約数ペア:

[(1, 17998738), (2, 8999369), (19, 947302), (38, 473651), (97, 185554), (194, 92777), (257, 70034), (361, 49858), (514, 35017), (722, 24929), (1843, 9766), (3686, 4883)]