18437301

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 29272320

約数和(自身を除く): 10835019

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 141, 167, 261, 423, 501, 783, 1269, 1363, 1503, 2349, 3807, 4089, 4509, 4843, 7849, 12267, 13527, 14529, 23547, 36801, 43587, 70641, 110403, 130761, 211923, 227621, 392283, 635769, 682863, 2048589, 6145767, 18437301]

約数ペア:

[(1, 18437301), (3, 6145767), (9, 2048589), (27, 682863), (29, 635769), (47, 392283), (81, 227621), (87, 211923), (141, 130761), (167, 110403), (261, 70641), (423, 43587), (501, 36801), (783, 23547), (1269, 14529), (1363, 13527), (1503, 12267), (2349, 7849), (3807, 4843), (4089, 4509)]