17820138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 43453440

約数和(自身を除く): 25633302

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 137, 163, 266, 274, 326, 399, 411, 489, 798, 822, 959, 978, 1141, 1918, 2282, 2603, 2877, 3097, 3423, 5206, 5754, 6194, 6846, 7809, 9291, 15618, 18221, 18582, 21679, 22331, 36442, 43358, 44662, 54663, 65037, 66993, 109326, 130074, 133986, 156317, 312634, 424289, 468951, 848578, 937902, 1272867, 2545734, 2970023, 5940046, 8910069, 17820138]

約数ペア:

[(1, 17820138), (2, 8910069), (3, 5940046), (6, 2970023), (7, 2545734), (14, 1272867), (19, 937902), (21, 848578), (38, 468951), (42, 424289), (57, 312634), (114, 156317), (133, 133986), (137, 130074), (163, 109326), (266, 66993), (274, 65037), (326, 54663), (399, 44662), (411, 43358), (489, 36442), (798, 22331), (822, 21679), (959, 18582), (978, 18221), (1141, 15618), (1918, 9291), (2282, 7809), (2603, 6846), (2877, 6194), (3097, 5754), (3423, 5206)]