18882416

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3181}}^1$

素因数の和:3249

約数の個数: 40

約数和(自身を含む): 42613344

約数和(自身を除く): 23730928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3181, 5936, 6362, 12724, 22267, 25448, 44534, 50896, 89068, 168593, 178136, 337186, 356272, 674372, 1180151, 1348744, 2360302, 2697488, 4720604, 9441208, 18882416]

約数ペア:

[(1, 18882416), (2, 9441208), (4, 4720604), (7, 2697488), (8, 2360302), (14, 1348744), (16, 1180151), (28, 674372), (53, 356272), (56, 337186), (106, 178136), (112, 168593), (212, 89068), (371, 50896), (424, 44534), (742, 25448), (848, 22267), (1484, 12724), (2968, 6362), (3181, 5936)]