18751952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1067

約数の個数: 40

約数和(自身を含む): 39051072

約数和(自身を除く): 20299120

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 971, 1136, 1207, 1942, 2414, 3884, 4828, 7768, 9656, 15536, 16507, 19312, 33014, 66028, 68941, 132056, 137882, 264112, 275764, 551528, 1103056, 1171997, 2343994, 4687988, 9375976, 18751952]

約数ペア:

[(1, 18751952), (2, 9375976), (4, 4687988), (8, 2343994), (16, 1171997), (17, 1103056), (34, 551528), (68, 275764), (71, 264112), (136, 137882), (142, 132056), (272, 68941), (284, 66028), (568, 33014), (971, 19312), (1136, 16507), (1207, 15536), (1942, 9656), (2414, 7768), (3884, 4828)]