18996320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2423}}^1$

素因数の和:2452

約数の個数: 72

約数和(自身を含む): 52227504

約数和(自身を除く): 33231184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2423, 3920, 4846, 7840, 9692, 12115, 16961, 19384, 24230, 33922, 38768, 48460, 67844, 77536, 84805, 96920, 118727, 135688, 169610, 193840, 237454, 271376, 339220, 387680, 474908, 542752, 593635, 678440, 949816, 1187270, 1356880, 1899632, 2374540, 2713760, 3799264, 4749080, 9498160, 18996320]

約数ペア:

[(1, 18996320), (2, 9498160), (4, 4749080), (5, 3799264), (7, 2713760), (8, 2374540), (10, 1899632), (14, 1356880), (16, 1187270), (20, 949816), (28, 678440), (32, 593635), (35, 542752), (40, 474908), (49, 387680), (56, 339220), (70, 271376), (80, 237454), (98, 193840), (112, 169610), (140, 135688), (160, 118727), (196, 96920), (224, 84805), (245, 77536), (280, 67844), (392, 48460), (490, 38768), (560, 33922), (784, 24230), (980, 19384), (1120, 16961), (1568, 12115), (1960, 9692), (2423, 7840), (3920, 4846)]