18803590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1327}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 36812160

約数和(自身を除く): 18008570

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1327, 1417, 2654, 2834, 6635, 7085, 13270, 14170, 17251, 34502, 86255, 144643, 172510, 289286, 723215, 1446430, 1880359, 3760718, 9401795, 18803590]

約数ペア:

[(1, 18803590), (2, 9401795), (5, 3760718), (10, 1880359), (13, 1446430), (26, 723215), (65, 289286), (109, 172510), (130, 144643), (218, 86255), (545, 34502), (1090, 17251), (1327, 14170), (1417, 13270), (2654, 7085), (2834, 6635)]