19243280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4909}}^1$

素因数の和:4936

約数の個数: 60

約数和(自身を含む): 52055820

約数和(自身を除く): 32812540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4909, 9818, 19636, 24545, 34363, 39272, 49090, 68726, 78544, 98180, 137452, 171815, 196360, 240541, 274904, 343630, 392720, 481082, 549808, 687260, 962164, 1202705, 1374520, 1924328, 2405410, 2749040, 3848656, 4810820, 9621640, 19243280]

約数ペア:

[(1, 19243280), (2, 9621640), (4, 4810820), (5, 3848656), (7, 2749040), (8, 2405410), (10, 1924328), (14, 1374520), (16, 1202705), (20, 962164), (28, 687260), (35, 549808), (40, 481082), (49, 392720), (56, 343630), (70, 274904), (80, 240541), (98, 196360), (112, 171815), (140, 137452), (196, 98180), (245, 78544), (280, 68726), (392, 49090), (490, 39272), (560, 34363), (784, 24545), (980, 19636), (1960, 9818), (3920, 4909)]