19622560

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4229}}^1$

素因数の和:4273

約数の個数: 48

約数和(自身を含む): 47968200

約数和(自身を除く): 28345640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4229, 4640, 8458, 16916, 21145, 33832, 42290, 67664, 84580, 122641, 135328, 169160, 245282, 338320, 490564, 613205, 676640, 981128, 1226410, 1962256, 2452820, 3924512, 4905640, 9811280, 19622560]

約数ペア:

[(1, 19622560), (2, 9811280), (4, 4905640), (5, 3924512), (8, 2452820), (10, 1962256), (16, 1226410), (20, 981128), (29, 676640), (32, 613205), (40, 490564), (58, 338320), (80, 245282), (116, 169160), (145, 135328), (160, 122641), (232, 84580), (290, 67664), (464, 42290), (580, 33832), (928, 21145), (1160, 16916), (2320, 8458), (4229, 4640)]