17999928

素因数分解:

$2^3\times 3^3\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 32400072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 167, 216, 334, 499, 501, 668, 998, 1002, 1336, 1497, 1503, 1996, 2004, 2994, 3006, 3992, 4008, 4491, 4509, 5988, 6012, 8982, 9018, 11976, 12024, 13473, 17964, 18036, 26946, 35928, 36072, 53892, 83333, 107784, 166666, 249999, 333332, 499998, 666664, 749997, 999996, 1499994, 1999992, 2249991, 2999988, 4499982, 5999976, 8999964, 17999928]

約数ペア:

[(1, 17999928), (2, 8999964), (3, 5999976), (4, 4499982), (6, 2999988), (8, 2249991), (9, 1999992), (12, 1499994), (18, 999996), (24, 749997), (27, 666664), (36, 499998), (54, 333332), (72, 249999), (108, 166666), (167, 107784), (216, 83333), (334, 53892), (499, 36072), (501, 35928), (668, 26946), (998, 18036), (1002, 17964), (1336, 13473), (1497, 12024), (1503, 11976), (1996, 9018), (2004, 8982), (2994, 6012), (3006, 5988), (3992, 4509), (4008, 4491)]