19881832

素因数分解:

$2^3\times {\mathrm{349}}^1\times {\mathrm{7121}}^1$

素因数の和:7476

約数の個数: 16

約数和(自身を含む): 37390500

約数和(自身を除く): 17508668

約数列:

[1, 2, 4, 8, 349, 698, 1396, 2792, 7121, 14242, 28484, 56968, 2485229, 4970458, 9940916, 19881832]

約数ペア:

[(1, 19881832), (2, 9940916), (4, 4970458), (8, 2485229), (349, 56968), (698, 28484), (1396, 14242), (2792, 7121)]