18528210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 49829760

約数和(自身を除く): 31301550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 270, 326, 421, 489, 815, 842, 978, 1263, 1467, 1630, 2105, 2445, 2526, 2934, 3789, 4210, 4401, 4890, 6315, 7335, 7578, 8802, 11367, 12630, 14670, 18945, 22005, 22734, 37890, 44010, 56835, 68623, 113670, 137246, 205869, 343115, 411738, 617607, 686230, 1029345, 1235214, 1852821, 2058690, 3088035, 3705642, 6176070, 9264105, 18528210]

約数ペア:

[(1, 18528210), (2, 9264105), (3, 6176070), (5, 3705642), (6, 3088035), (9, 2058690), (10, 1852821), (15, 1235214), (18, 1029345), (27, 686230), (30, 617607), (45, 411738), (54, 343115), (90, 205869), (135, 137246), (163, 113670), (270, 68623), (326, 56835), (421, 44010), (489, 37890), (815, 22734), (842, 22005), (978, 18945), (1263, 14670), (1467, 12630), (1630, 11367), (2105, 8802), (2445, 7578), (2526, 7335), (2934, 6315), (3789, 4890), (4210, 4401)]