19622008

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 24614792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 89, 124, 127, 178, 217, 248, 254, 356, 434, 508, 623, 712, 868, 889, 1016, 1246, 1736, 1778, 2492, 2759, 3556, 3937, 4984, 5518, 7112, 7874, 11036, 11303, 15748, 19313, 22072, 22606, 27559, 31496, 38626, 45212, 55118, 77252, 79121, 90424, 110236, 154504, 158242, 220472, 316484, 350393, 632968, 700786, 1401572, 2452751, 2803144, 4905502, 9811004, 19622008]

約数ペア:

[(1, 19622008), (2, 9811004), (4, 4905502), (7, 2803144), (8, 2452751), (14, 1401572), (28, 700786), (31, 632968), (56, 350393), (62, 316484), (89, 220472), (124, 158242), (127, 154504), (178, 110236), (217, 90424), (248, 79121), (254, 77252), (356, 55118), (434, 45212), (508, 38626), (623, 31496), (712, 27559), (868, 22606), (889, 22072), (1016, 19313), (1246, 15748), (1736, 11303), (1778, 11036), (2492, 7874), (2759, 7112), (3556, 5518), (3937, 4984)]