19501144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 22834856

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 139, 142, 152, 247, 278, 284, 494, 556, 568, 923, 988, 1112, 1349, 1807, 1846, 1976, 2641, 2698, 3614, 3692, 5282, 5396, 7228, 7384, 9869, 10564, 10792, 14456, 17537, 19738, 21128, 34333, 35074, 39476, 68666, 70148, 78952, 128297, 137332, 140296, 187511, 256594, 274664, 375022, 513188, 750044, 1026376, 1500088, 2437643, 4875286, 9750572, 19501144]

約数ペア:

[(1, 19501144), (2, 9750572), (4, 4875286), (8, 2437643), (13, 1500088), (19, 1026376), (26, 750044), (38, 513188), (52, 375022), (71, 274664), (76, 256594), (104, 187511), (139, 140296), (142, 137332), (152, 128297), (247, 78952), (278, 70148), (284, 68666), (494, 39476), (556, 35074), (568, 34333), (923, 21128), (988, 19738), (1112, 17537), (1349, 14456), (1807, 10792), (1846, 10564), (1976, 9869), (2641, 7384), (2698, 7228), (3614, 5396), (3692, 5282)]