19894604

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{587}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 35973840

約数和(自身を除く): 16079236

約数列:

[1, 2, 4, 37, 74, 148, 229, 458, 587, 916, 1174, 2348, 8473, 16946, 21719, 33892, 43438, 86876, 134423, 268846, 537692, 4973651, 9947302, 19894604]

約数ペア:

[(1, 19894604), (2, 9947302), (4, 4973651), (37, 537692), (74, 268846), (148, 134423), (229, 86876), (458, 43438), (587, 33892), (916, 21719), (1174, 16946), (2348, 8473)]