18854512

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{19973}}^1$

素因数の和:20040

約数の個数: 20

約数和(自身を含む): 37151640

約数和(自身を除く): 18297128

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 19973, 39946, 79892, 159784, 319568, 1178407, 2356814, 4713628, 9427256, 18854512]

約数ペア:

[(1, 18854512), (2, 9427256), (4, 4713628), (8, 2356814), (16, 1178407), (59, 319568), (118, 159784), (236, 79892), (472, 39946), (944, 19973)]