19728420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5573}}^1$

素因数の和:5644

約数の個数: 48

約数和(自身を含む): 56185920

約数和(自身を除く): 36457500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5573, 11146, 16719, 22292, 27865, 33438, 55730, 66876, 83595, 111460, 167190, 328807, 334380, 657614, 986421, 1315228, 1644035, 1972842, 3288070, 3945684, 4932105, 6576140, 9864210, 19728420]

約数ペア:

[(1, 19728420), (2, 9864210), (3, 6576140), (4, 4932105), (5, 3945684), (6, 3288070), (10, 1972842), (12, 1644035), (15, 1315228), (20, 986421), (30, 657614), (59, 334380), (60, 328807), (118, 167190), (177, 111460), (236, 83595), (295, 66876), (354, 55730), (590, 33438), (708, 27865), (885, 22292), (1180, 16719), (1770, 11146), (3540, 5573)]