18572272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 38192000

約数和(自身を除く): 19619728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 307, 398, 614, 796, 1228, 1592, 2456, 3184, 3781, 4912, 5833, 7562, 11666, 15124, 23332, 30248, 46664, 60496, 61093, 93328, 122186, 244372, 488744, 977488, 1160767, 2321534, 4643068, 9286136, 18572272]

約数ペア:

[(1, 18572272), (2, 9286136), (4, 4643068), (8, 2321534), (16, 1160767), (19, 977488), (38, 488744), (76, 244372), (152, 122186), (199, 93328), (304, 61093), (307, 60496), (398, 46664), (614, 30248), (796, 23332), (1228, 15124), (1592, 11666), (2456, 7562), (3184, 5833), (3781, 4912)]