19937476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3019}}^1$

素因数の和:3163

約数の個数: 24

約数和(自身を含む): 37882880

約数和(自身を除く): 17945404

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3019, 3302, 6038, 6604, 12076, 39247, 78494, 156988, 383413, 766826, 1533652, 4984369, 9968738, 19937476]

約数ペア:

[(1, 19937476), (2, 9968738), (4, 4984369), (13, 1533652), (26, 766826), (52, 383413), (127, 156988), (254, 78494), (508, 39247), (1651, 12076), (3019, 6604), (3302, 6038)]