18917531878

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{351797}}^1$

素因数の和:351996

約数の個数: 32

約数和(自身を含む): 34042788864

約数和(自身を除く): 15125256986

約数列:

[1, 2, 7, 14, 23, 46, 161, 167, 322, 334, 1169, 2338, 3841, 7682, 26887, 53774, 351797, 703594, 2462579, 4925158, 8091331, 16182662, 56639317, 58750099, 113278634, 117500198, 411250693, 822501386, 1351252277, 2702504554, 9458765939, 18917531878]

約数ペア:

[(1, 18917531878), (2, 9458765939), (7, 2702504554), (14, 1351252277), (23, 822501386), (46, 411250693), (161, 117500198), (167, 113278634), (322, 58750099), (334, 56639317), (1169, 16182662), (2338, 8091331), (3841, 4925158), (7682, 2462579), (26887, 703594), (53774, 351797)]