18700370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 20369710

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 67, 95, 113, 130, 134, 190, 226, 247, 335, 494, 565, 670, 871, 1130, 1235, 1273, 1469, 1742, 2147, 2470, 2546, 2938, 4294, 4355, 6365, 7345, 7571, 8710, 10735, 12730, 14690, 15142, 16549, 21470, 27911, 33098, 37855, 55822, 75710, 82745, 98423, 139555, 143849, 165490, 196846, 279110, 287698, 492115, 719245, 984230, 1438490, 1870037, 3740074, 9350185, 18700370]

約数ペア:

[(1, 18700370), (2, 9350185), (5, 3740074), (10, 1870037), (13, 1438490), (19, 984230), (26, 719245), (38, 492115), (65, 287698), (67, 279110), (95, 196846), (113, 165490), (130, 143849), (134, 139555), (190, 98423), (226, 82745), (247, 75710), (335, 55822), (494, 37855), (565, 33098), (670, 27911), (871, 21470), (1130, 16549), (1235, 15142), (1273, 14690), (1469, 12730), (1742, 10735), (2147, 8710), (2470, 7571), (2546, 7345), (2938, 6365), (4294, 4355)]