19893250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6121}}^1$

素因数の和:6151

約数の個数: 32

約数和(自身を含む): 40111344

約数和(自身を除く): 20218094

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6121, 12242, 30605, 61210, 79573, 153025, 159146, 306050, 397865, 765125, 795730, 1530250, 1989325, 3978650, 9946625, 19893250]

約数ペア:

[(1, 19893250), (2, 9946625), (5, 3978650), (10, 1989325), (13, 1530250), (25, 795730), (26, 765125), (50, 397865), (65, 306050), (125, 159146), (130, 153025), (250, 79573), (325, 61210), (650, 30605), (1625, 12242), (3250, 6121)]