19991456

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{36749}}^1$

素因数の和:36776

約数の個数: 24

約数和(自身を含む): 41674500

約数和(自身を除く): 21683044

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 36749, 73498, 146996, 293992, 587984, 624733, 1175968, 1249466, 2498932, 4997864, 9995728, 19991456]

約数ペア:

[(1, 19991456), (2, 9995728), (4, 4997864), (8, 2498932), (16, 1249466), (17, 1175968), (32, 624733), (34, 587984), (68, 293992), (136, 146996), (272, 73498), (544, 36749)]