19813368

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 51575040

約数和(自身を除く): 31761672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 73, 86, 129, 146, 172, 219, 258, 263, 292, 344, 438, 516, 526, 584, 789, 876, 1032, 1052, 1578, 1752, 2104, 3139, 3156, 6278, 6312, 9417, 11309, 12556, 18834, 19199, 22618, 25112, 33927, 37668, 38398, 45236, 57597, 67854, 75336, 76796, 90472, 115194, 135708, 153592, 230388, 271416, 460776, 825557, 1651114, 2476671, 3302228, 4953342, 6604456, 9906684, 19813368]

約数ペア:

[(1, 19813368), (2, 9906684), (3, 6604456), (4, 4953342), (6, 3302228), (8, 2476671), (12, 1651114), (24, 825557), (43, 460776), (73, 271416), (86, 230388), (129, 153592), (146, 135708), (172, 115194), (219, 90472), (258, 76796), (263, 75336), (292, 67854), (344, 57597), (438, 45236), (516, 38398), (526, 37668), (584, 33927), (789, 25112), (876, 22618), (1032, 19199), (1052, 18834), (1578, 12556), (1752, 11309), (2104, 9417), (3139, 6312), (3156, 6278)]