17997364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 39868416

約数和(自身を除く): 21871052

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 823, 994, 1562, 1646, 1988, 3124, 3292, 5467, 5761, 9053, 10934, 11522, 18106, 21868, 23044, 36212, 58433, 63371, 116866, 126742, 233732, 253484, 409031, 642763, 818062, 1285526, 1636124, 2571052, 4499341, 8998682, 17997364]

約数ペア:

[(1, 17997364), (2, 8998682), (4, 4499341), (7, 2571052), (11, 1636124), (14, 1285526), (22, 818062), (28, 642763), (44, 409031), (71, 253484), (77, 233732), (142, 126742), (154, 116866), (284, 63371), (308, 58433), (497, 36212), (781, 23044), (823, 21868), (994, 18106), (1562, 11522), (1646, 10934), (1988, 9053), (3124, 5761), (3292, 5467)]