18398328

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 50080800

約数和(自身を除く): 31682472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 541, 654, 872, 1082, 1308, 1417, 1623, 2164, 2616, 2834, 3246, 4251, 4328, 5668, 6492, 7033, 8502, 11336, 12984, 14066, 17004, 21099, 28132, 34008, 42198, 56264, 58969, 84396, 117938, 168792, 176907, 235876, 353814, 471752, 707628, 766597, 1415256, 1533194, 2299791, 3066388, 4599582, 6132776, 9199164, 18398328]

約数ペア:

[(1, 18398328), (2, 9199164), (3, 6132776), (4, 4599582), (6, 3066388), (8, 2299791), (12, 1533194), (13, 1415256), (24, 766597), (26, 707628), (39, 471752), (52, 353814), (78, 235876), (104, 176907), (109, 168792), (156, 117938), (218, 84396), (312, 58969), (327, 56264), (436, 42198), (541, 34008), (654, 28132), (872, 21099), (1082, 17004), (1308, 14066), (1417, 12984), (1623, 11336), (2164, 8502), (2616, 7033), (2834, 6492), (3246, 5668), (4251, 4328)]