19958364

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12893}}^1$

素因数の和:12946

約数の個数: 36

約数和(自身を含む): 51627576

約数和(自身を除く): 31669212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12893, 25786, 38679, 51572, 77358, 116037, 154716, 232074, 464148, 554399, 1108798, 1663197, 2217596, 3326394, 4989591, 6652788, 9979182, 19958364]

約数ペア:

[(1, 19958364), (2, 9979182), (3, 6652788), (4, 4989591), (6, 3326394), (9, 2217596), (12, 1663197), (18, 1108798), (36, 554399), (43, 464148), (86, 232074), (129, 154716), (172, 116037), (258, 77358), (387, 51572), (516, 38679), (774, 25786), (1548, 12893)]