19437808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{827}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 40966128

約数和(自身を除く): 21528320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 827, 904, 1469, 1654, 1808, 2938, 3308, 5876, 6616, 10751, 11752, 13232, 21502, 23504, 43004, 86008, 93451, 172016, 186902, 373804, 747608, 1214863, 1495216, 2429726, 4859452, 9718904, 19437808]

約数ペア:

[(1, 19437808), (2, 9718904), (4, 4859452), (8, 2429726), (13, 1495216), (16, 1214863), (26, 747608), (52, 373804), (104, 186902), (113, 172016), (208, 93451), (226, 86008), (452, 43004), (827, 23504), (904, 21502), (1469, 13232), (1654, 11752), (1808, 10751), (2938, 6616), (3308, 5876)]