18758533612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{258967}}^1$

素因数の和:259190

約数の個数: 48

約数和(自身を含む): 40606182400

約数和(自身を除く): 21847648788

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 199, 364, 398, 796, 1393, 2587, 2786, 5174, 5572, 10348, 18109, 36218, 72436, 258967, 517934, 1035868, 1812769, 3366571, 3625538, 6733142, 7251076, 13466284, 23565997, 47131994, 51534433, 94263988, 103068866, 206137732, 360741031, 669947629, 721482062, 1339895258, 1442964124, 2679790516, 4689633403, 9379266806, 18758533612]

約数ペア:

[(1, 18758533612), (2, 9379266806), (4, 4689633403), (7, 2679790516), (13, 1442964124), (14, 1339895258), (26, 721482062), (28, 669947629), (52, 360741031), (91, 206137732), (182, 103068866), (199, 94263988), (364, 51534433), (398, 47131994), (796, 23565997), (1393, 13466284), (2587, 7251076), (2786, 6733142), (5174, 3625538), (5572, 3366571), (10348, 1812769), (18109, 1035868), (36218, 517934), (72436, 258967)]