18864368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 38318976

約数和(自身を除く): 19454608

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 521, 584, 1042, 1168, 2084, 2263, 4168, 4526, 8336, 9052, 16151, 18104, 32302, 36208, 38033, 64604, 76066, 129208, 152132, 258416, 304264, 608528, 1179023, 2358046, 4716092, 9432184, 18864368]

約数ペア:

[(1, 18864368), (2, 9432184), (4, 4716092), (8, 2358046), (16, 1179023), (31, 608528), (62, 304264), (73, 258416), (124, 152132), (146, 129208), (248, 76066), (292, 64604), (496, 38033), (521, 36208), (584, 32302), (1042, 18104), (1168, 16151), (2084, 9052), (2263, 8336), (4168, 4526)]