19820476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5689}}^1$

素因数の和:5773

約数の個数: 24

約数和(自身を含む): 37918160

約数和(自身を除く): 18097684

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5689, 11378, 22756, 73957, 147914, 295828, 381163, 762326, 1524652, 4955119, 9910238, 19820476]

約数ペア:

[(1, 19820476), (2, 9910238), (4, 4955119), (13, 1524652), (26, 762326), (52, 381163), (67, 295828), (134, 147914), (268, 73957), (871, 22756), (1742, 11378), (3484, 5689)]