19974044

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 36556800

約数和(自身を除く): 16582756

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 2039, 2449, 4078, 4898, 8156, 9796, 63209, 126418, 161081, 252836, 322162, 644324, 4993511, 9987022, 19974044]

約数ペア:

[(1, 19974044), (2, 9987022), (4, 4993511), (31, 644324), (62, 322162), (79, 252836), (124, 161081), (158, 126418), (316, 63209), (2039, 9796), (2449, 8156), (4078, 4898)]