19338860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 44888256

約数和(自身を除く): 25549396

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 2473, 3910, 4946, 7820, 9892, 12365, 24730, 42041, 49460, 56879, 84082, 113758, 168164, 210205, 227516, 284395, 420410, 568790, 840820, 966943, 1137580, 1933886, 3867772, 4834715, 9669430, 19338860]

約数ペア:

[(1, 19338860), (2, 9669430), (4, 4834715), (5, 3867772), (10, 1933886), (17, 1137580), (20, 966943), (23, 840820), (34, 568790), (46, 420410), (68, 284395), (85, 227516), (92, 210205), (115, 168164), (170, 113758), (230, 84082), (340, 56879), (391, 49460), (460, 42041), (782, 24730), (1564, 12365), (1955, 9892), (2473, 7820), (3910, 4946)]