19090460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 23680996

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 883, 940, 1081, 1766, 2162, 3532, 4324, 4415, 5405, 8830, 10810, 17660, 20309, 21620, 40618, 41501, 81236, 83002, 101545, 166004, 203090, 207505, 406180, 415010, 830020, 954523, 1909046, 3818092, 4772615, 9545230, 19090460]

約数ペア:

[(1, 19090460), (2, 9545230), (4, 4772615), (5, 3818092), (10, 1909046), (20, 954523), (23, 830020), (46, 415010), (47, 406180), (92, 207505), (94, 203090), (115, 166004), (188, 101545), (230, 83002), (235, 81236), (460, 41501), (470, 40618), (883, 21620), (940, 20309), (1081, 17660), (1766, 10810), (2162, 8830), (3532, 5405), (4324, 4415)]