19306720

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1801}}^1$

素因数の和:1883

約数の個数: 48

約数和(自身を含む): 46318608

約数和(自身を除く): 27011888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 1801, 2144, 2680, 3602, 5360, 7204, 9005, 10720, 14408, 18010, 28816, 36020, 57632, 72040, 120667, 144080, 241334, 288160, 482668, 603335, 965336, 1206670, 1930672, 2413340, 3861344, 4826680, 9653360, 19306720]

約数ペア:

[(1, 19306720), (2, 9653360), (4, 4826680), (5, 3861344), (8, 2413340), (10, 1930672), (16, 1206670), (20, 965336), (32, 603335), (40, 482668), (67, 288160), (80, 241334), (134, 144080), (160, 120667), (268, 72040), (335, 57632), (536, 36020), (670, 28816), (1072, 18010), (1340, 14408), (1801, 10720), (2144, 9005), (2680, 7204), (3602, 5360)]