18289140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 55399680

約数和(自身を除く): 37110540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 435, 457, 460, 580, 667, 690, 870, 914, 1334, 1371, 1380, 1740, 1828, 2001, 2285, 2668, 2742, 3335, 4002, 4570, 5484, 6670, 6855, 8004, 9140, 10005, 10511, 13253, 13340, 13710, 20010, 21022, 26506, 27420, 31533, 39759, 40020, 42044, 52555, 53012, 63066, 66265, 79518, 105110, 126132, 132530, 157665, 159036, 198795, 210220, 265060, 304819, 315330, 397590, 609638, 630660, 795180, 914457, 1219276, 1524095, 1828914, 3048190, 3657828, 4572285, 6096380, 9144570, 18289140]

約数ペア:

[(1, 18289140), (2, 9144570), (3, 6096380), (4, 4572285), (5, 3657828), (6, 3048190), (10, 1828914), (12, 1524095), (15, 1219276), (20, 914457), (23, 795180), (29, 630660), (30, 609638), (46, 397590), (58, 315330), (60, 304819), (69, 265060), (87, 210220), (92, 198795), (115, 159036), (116, 157665), (138, 132530), (145, 126132), (174, 105110), (230, 79518), (276, 66265), (290, 63066), (345, 53012), (348, 52555), (435, 42044), (457, 40020), (460, 39759), (580, 31533), (667, 27420), (690, 26506), (870, 21022), (914, 20010), (1334, 13710), (1371, 13340), (1380, 13253), (1740, 10511), (1828, 10005), (2001, 9140), (2285, 8004), (2668, 6855), (2742, 6670), (3335, 5484), (4002, 4570)]