18725839106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1\times {\mathrm{373}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 31566796800

約数和(自身を除く): 12840957694

約数列:

[1, 2, 13, 26, 31, 62, 199, 313, 373, 398, 403, 626, 746, 806, 2587, 4069, 4849, 5174, 6169, 8138, 9698, 9703, 11563, 12338, 19406, 23126, 62287, 74227, 80197, 116749, 124574, 126139, 148454, 150319, 160394, 233498, 252278, 300638, 809731, 964951, 1517737, 1619462, 1929902, 1930897, 2301037, 3035474, 3619219, 3861794, 4602074, 7238438, 23233051, 25101661, 29913481, 46466102, 47049847, 50203322, 59826962, 94099694, 302029663, 604059326, 720224581, 1440449162, 9362919553, 18725839106]

約数ペア:

[(1, 18725839106), (2, 9362919553), (13, 1440449162), (26, 720224581), (31, 604059326), (62, 302029663), (199, 94099694), (313, 59826962), (373, 50203322), (398, 47049847), (403, 46466102), (626, 29913481), (746, 25101661), (806, 23233051), (2587, 7238438), (4069, 4602074), (4849, 3861794), (5174, 3619219), (6169, 3035474), (8138, 2301037), (9698, 1930897), (9703, 1929902), (11563, 1619462), (12338, 1517737), (19406, 964951), (23126, 809731), (62287, 300638), (74227, 252278), (80197, 233498), (116749, 160394), (124574, 150319), (126139, 148454)]