19210328

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 18529192

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 1091, 2182, 2201, 4364, 4402, 8728, 8804, 17608, 33821, 67642, 77461, 135284, 154922, 270568, 309844, 619688, 2401291, 4802582, 9605164, 19210328]

約数ペア:

[(1, 19210328), (2, 9605164), (4, 4802582), (8, 2401291), (31, 619688), (62, 309844), (71, 270568), (124, 154922), (142, 135284), (248, 77461), (284, 67642), (568, 33821), (1091, 17608), (2182, 8804), (2201, 8728), (4364, 4402)]