19972245

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13183}}^1$

素因数の和:13292

約数の個数: 16

約数和(自身を含む): 32274432

約数和(自身を除く): 12302187

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 13183, 39549, 65915, 197745, 1331483, 3994449, 6657415, 19972245]

約数ペア:

[(1, 19972245), (3, 6657415), (5, 3994449), (15, 1331483), (101, 197745), (303, 65915), (505, 39549), (1515, 13183)]