19405740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{643}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 54528768

約数和(自身を除く): 35123028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 643, 1006, 1286, 1509, 1929, 2012, 2515, 2572, 3018, 3215, 3858, 5030, 6036, 6430, 7545, 7716, 9645, 10060, 12860, 15090, 19290, 30180, 38580, 323429, 646858, 970287, 1293716, 1617145, 1940574, 3234290, 3881148, 4851435, 6468580, 9702870, 19405740]

約数ペア:

[(1, 19405740), (2, 9702870), (3, 6468580), (4, 4851435), (5, 3881148), (6, 3234290), (10, 1940574), (12, 1617145), (15, 1293716), (20, 970287), (30, 646858), (60, 323429), (503, 38580), (643, 30180), (1006, 19290), (1286, 15090), (1509, 12860), (1929, 10060), (2012, 9645), (2515, 7716), (2572, 7545), (3018, 6430), (3215, 6036), (3858, 5030)]