18305612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 36456000

約数和(自身を除く): 18150388

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 61, 116, 122, 199, 244, 377, 398, 754, 793, 796, 1508, 1586, 1769, 2587, 3172, 3538, 5174, 5771, 7076, 10348, 11542, 12139, 22997, 23084, 24278, 45994, 48556, 75023, 91988, 150046, 157807, 300092, 315614, 352031, 631228, 704062, 1408124, 4576403, 9152806, 18305612]

約数ペア:

[(1, 18305612), (2, 9152806), (4, 4576403), (13, 1408124), (26, 704062), (29, 631228), (52, 352031), (58, 315614), (61, 300092), (116, 157807), (122, 150046), (199, 91988), (244, 75023), (377, 48556), (398, 45994), (754, 24278), (793, 23084), (796, 22997), (1508, 12139), (1586, 11542), (1769, 10348), (2587, 7076), (3172, 5771), (3538, 5174)]