18220696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9221}}^1$

素因数の和:9259

約数の個数: 32

約数和(自身を含む): 38732400

約数和(自身を除く): 20511704

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9221, 18442, 36884, 73768, 119873, 175199, 239746, 350398, 479492, 700796, 958984, 1401592, 2277587, 4555174, 9110348, 18220696]

約数ペア:

[(1, 18220696), (2, 9110348), (4, 4555174), (8, 2277587), (13, 1401592), (19, 958984), (26, 700796), (38, 479492), (52, 350398), (76, 239746), (104, 175199), (152, 119873), (247, 73768), (494, 36884), (988, 18442), (1976, 9221)]