18815792

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 37711872

約数和(自身を除く): 18896080

約数列:

[1, 2, 4, 8, 16, 47, 94, 131, 188, 191, 262, 376, 382, 524, 752, 764, 1048, 1528, 2096, 3056, 6157, 8977, 12314, 17954, 24628, 25021, 35908, 49256, 50042, 71816, 98512, 100084, 143632, 200168, 400336, 1175987, 2351974, 4703948, 9407896, 18815792]

約数ペア:

[(1, 18815792), (2, 9407896), (4, 4703948), (8, 2351974), (16, 1175987), (47, 400336), (94, 200168), (131, 143632), (188, 100084), (191, 98512), (262, 71816), (376, 50042), (382, 49256), (524, 35908), (752, 25021), (764, 24628), (1048, 17954), (1528, 12314), (2096, 8977), (3056, 6157)]