18831664

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{701}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 38649312

約数和(自身を除く): 19817648

約数列:

[1, 2, 4, 8, 16, 23, 46, 73, 92, 146, 184, 292, 368, 584, 701, 1168, 1402, 1679, 2804, 3358, 5608, 6716, 11216, 13432, 16123, 26864, 32246, 51173, 64492, 102346, 128984, 204692, 257968, 409384, 818768, 1176979, 2353958, 4707916, 9415832, 18831664]

約数ペア:

[(1, 18831664), (2, 9415832), (4, 4707916), (8, 2353958), (16, 1176979), (23, 818768), (46, 409384), (73, 257968), (92, 204692), (146, 128984), (184, 102346), (292, 64492), (368, 51173), (584, 32246), (701, 26864), (1168, 16123), (1402, 13432), (1679, 11216), (2804, 6716), (3358, 5608)]