19011340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 42823872

約数和(自身を除く): 23812532

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1117, 1702, 2234, 3404, 4255, 4468, 5585, 8510, 11170, 17020, 22340, 25691, 41329, 51382, 82658, 102764, 128455, 165316, 206645, 256910, 413290, 513820, 826580, 950567, 1901134, 3802268, 4752835, 9505670, 19011340]

約数ペア:

[(1, 19011340), (2, 9505670), (4, 4752835), (5, 3802268), (10, 1901134), (20, 950567), (23, 826580), (37, 513820), (46, 413290), (74, 256910), (92, 206645), (115, 165316), (148, 128455), (185, 102764), (230, 82658), (370, 51382), (460, 41329), (740, 25691), (851, 22340), (1117, 17020), (1702, 11170), (2234, 8510), (3404, 5585), (4255, 4468)]