18921088

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6427}}^1$

素因数の和:6464

約数の個数: 32

約数和(自身を含む): 39339360

約数和(自身を除く): 20418272

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6427, 12854, 25708, 51416, 102832, 147821, 205664, 295642, 411328, 591284, 822656, 1182568, 2365136, 4730272, 9460544, 18921088]

約数ペア:

[(1, 18921088), (2, 9460544), (4, 4730272), (8, 2365136), (16, 1182568), (23, 822656), (32, 591284), (46, 411328), (64, 295642), (92, 205664), (128, 147821), (184, 102832), (368, 51416), (736, 25708), (1472, 12854), (2944, 6427)]