19545890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 44319744

約数和(自身を除く): 24773854

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 455, 457, 470, 611, 658, 910, 914, 1222, 1645, 2285, 3055, 3199, 3290, 4277, 4570, 5941, 6110, 6398, 8554, 11882, 15995, 21385, 21479, 29705, 31990, 41587, 42770, 42958, 59410, 83174, 107395, 150353, 207935, 214790, 279227, 300706, 415870, 558454, 751765, 1396135, 1503530, 1954589, 2792270, 3909178, 9772945, 19545890]

約数ペア:

[(1, 19545890), (2, 9772945), (5, 3909178), (7, 2792270), (10, 1954589), (13, 1503530), (14, 1396135), (26, 751765), (35, 558454), (47, 415870), (65, 300706), (70, 279227), (91, 214790), (94, 207935), (130, 150353), (182, 107395), (235, 83174), (329, 59410), (455, 42958), (457, 42770), (470, 41587), (611, 31990), (658, 29705), (910, 21479), (914, 21385), (1222, 15995), (1645, 11882), (2285, 8554), (3055, 6398), (3199, 6110), (3290, 5941), (4277, 4570)]