18751072

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 39160800

約数和(自身を除く): 20409728

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 73, 92, 146, 184, 292, 349, 368, 584, 698, 736, 1168, 1396, 1679, 2336, 2792, 3358, 5584, 6716, 8027, 11168, 13432, 16054, 25477, 26864, 32108, 50954, 53728, 64216, 101908, 128432, 203816, 256864, 407632, 585971, 815264, 1171942, 2343884, 4687768, 9375536, 18751072]

約数ペア:

[(1, 18751072), (2, 9375536), (4, 4687768), (8, 2343884), (16, 1171942), (23, 815264), (32, 585971), (46, 407632), (73, 256864), (92, 203816), (146, 128432), (184, 101908), (292, 64216), (349, 53728), (368, 50954), (584, 32108), (698, 26864), (736, 25477), (1168, 16054), (1396, 13432), (1679, 11168), (2336, 8027), (2792, 6716), (3358, 5584)]