19531460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 45224256

約数和(自身を除く): 25692796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1747, 2236, 2795, 3494, 5590, 6988, 8735, 11180, 17470, 22711, 34940, 45422, 75121, 90844, 113555, 150242, 227110, 300484, 375605, 454220, 751210, 976573, 1502420, 1953146, 3906292, 4882865, 9765730, 19531460]

約数ペア:

[(1, 19531460), (2, 9765730), (4, 4882865), (5, 3906292), (10, 1953146), (13, 1502420), (20, 976573), (26, 751210), (43, 454220), (52, 375605), (65, 300484), (86, 227110), (130, 150242), (172, 113555), (215, 90844), (260, 75121), (430, 45422), (559, 34940), (860, 22711), (1118, 17470), (1747, 11180), (2236, 8735), (2795, 6988), (3494, 5590)]