18221560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1103}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 29471240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1103, 1180, 1652, 2065, 2206, 2360, 3304, 4130, 4412, 5515, 7721, 8260, 8824, 11030, 15442, 16520, 22060, 30884, 38605, 44120, 61768, 65077, 77210, 130154, 154420, 260308, 308840, 325385, 455539, 520616, 650770, 911078, 1301540, 1822156, 2277695, 2603080, 3644312, 4555390, 9110780, 18221560]

約数ペア:

[(1, 18221560), (2, 9110780), (4, 4555390), (5, 3644312), (7, 2603080), (8, 2277695), (10, 1822156), (14, 1301540), (20, 911078), (28, 650770), (35, 520616), (40, 455539), (56, 325385), (59, 308840), (70, 260308), (118, 154420), (140, 130154), (236, 77210), (280, 65077), (295, 61768), (413, 44120), (472, 38605), (590, 30884), (826, 22060), (1103, 16520), (1180, 15442), (1652, 11030), (2065, 8824), (2206, 8260), (2360, 7721), (3304, 5515), (4130, 4412)]