19120180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30839}}^1$

素因数の和:30879

約数の個数: 24

約数和(自身を含む): 41448960

約数和(自身を除く): 22328780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30839, 61678, 123356, 154195, 308390, 616780, 956009, 1912018, 3824036, 4780045, 9560090, 19120180]

約数ペア:

[(1, 19120180), (2, 9560090), (4, 4780045), (5, 3824036), (10, 1912018), (20, 956009), (31, 616780), (62, 308390), (124, 154195), (155, 123356), (310, 61678), (620, 30839)]