19312008

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 50526720

約数和(自身を除く): 31214712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 101, 124, 186, 202, 248, 257, 303, 372, 404, 514, 606, 744, 771, 808, 1028, 1212, 1542, 2056, 2424, 3084, 3131, 6168, 6262, 7967, 9393, 12524, 15934, 18786, 23901, 25048, 25957, 31868, 37572, 47802, 51914, 63736, 75144, 77871, 95604, 103828, 155742, 191208, 207656, 311484, 622968, 804667, 1609334, 2414001, 3218668, 4828002, 6437336, 9656004, 19312008]

約数ペア:

[(1, 19312008), (2, 9656004), (3, 6437336), (4, 4828002), (6, 3218668), (8, 2414001), (12, 1609334), (24, 804667), (31, 622968), (62, 311484), (93, 207656), (101, 191208), (124, 155742), (186, 103828), (202, 95604), (248, 77871), (257, 75144), (303, 63736), (372, 51914), (404, 47802), (514, 37572), (606, 31868), (744, 25957), (771, 25048), (808, 23901), (1028, 18786), (1212, 15934), (1542, 12524), (2056, 9393), (2424, 7967), (3084, 6262), (3131, 6168)]