19220552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 22510648

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 137, 142, 152, 247, 274, 284, 494, 548, 568, 923, 988, 1096, 1349, 1781, 1846, 1976, 2603, 2698, 3562, 3692, 5206, 5396, 7124, 7384, 9727, 10412, 10792, 14248, 17537, 19454, 20824, 33839, 35074, 38908, 67678, 70148, 77816, 126451, 135356, 140296, 184813, 252902, 270712, 369626, 505804, 739252, 1011608, 1478504, 2402569, 4805138, 9610276, 19220552]

約数ペア:

[(1, 19220552), (2, 9610276), (4, 4805138), (8, 2402569), (13, 1478504), (19, 1011608), (26, 739252), (38, 505804), (52, 369626), (71, 270712), (76, 252902), (104, 184813), (137, 140296), (142, 135356), (152, 126451), (247, 77816), (274, 70148), (284, 67678), (494, 38908), (548, 35074), (568, 33839), (923, 20824), (988, 19454), (1096, 17537), (1349, 14248), (1781, 10792), (1846, 10412), (1976, 9727), (2603, 7384), (2698, 7124), (3562, 5396), (3692, 5206)]