17819984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12239}}^1$

素因数の和:12267

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 24677296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12239, 24478, 48956, 85673, 97912, 159107, 171346, 195824, 318214, 342692, 636428, 685384, 1113749, 1272856, 1370768, 2227498, 2545712, 4454996, 8909992, 17819984]

約数ペア:

[(1, 17819984), (2, 8909992), (4, 4454996), (7, 2545712), (8, 2227498), (13, 1370768), (14, 1272856), (16, 1113749), (26, 685384), (28, 636428), (52, 342692), (56, 318214), (91, 195824), (104, 171346), (112, 159107), (182, 97912), (208, 85673), (364, 48956), (728, 24478), (1456, 12239)]