19121488

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4253}}^1$

素因数の和:4542

約数の個数: 20

約数和(自身を含む): 37188468

約数和(自身を除く): 18066980

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4253, 4496, 8506, 17012, 34024, 68048, 1195093, 2390186, 4780372, 9560744, 19121488]

約数ペア:

[(1, 19121488), (2, 9560744), (4, 4780372), (8, 2390186), (16, 1195093), (281, 68048), (562, 34024), (1124, 17012), (2248, 8506), (4253, 4496)]