17591988

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 42538496

約数和(自身を除く): 24946508

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 103, 129, 172, 206, 258, 309, 331, 412, 516, 618, 662, 993, 1236, 1324, 1986, 3972, 4429, 8858, 13287, 14233, 17716, 26574, 28466, 34093, 42699, 53148, 56932, 68186, 85398, 102279, 136372, 170796, 204558, 409116, 1465999, 2931998, 4397997, 5863996, 8795994, 17591988]

約数ペア:

[(1, 17591988), (2, 8795994), (3, 5863996), (4, 4397997), (6, 2931998), (12, 1465999), (43, 409116), (86, 204558), (103, 170796), (129, 136372), (172, 102279), (206, 85398), (258, 68186), (309, 56932), (331, 53148), (412, 42699), (516, 34093), (618, 28466), (662, 26574), (993, 17716), (1236, 14233), (1324, 13287), (1986, 8858), (3972, 4429)]