19008040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27953}}^1$

素因数の和:27981

約数の個数: 32

約数和(自身を含む): 45285480

約数和(自身を除く): 26277440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27953, 55906, 111812, 139765, 223624, 279530, 475201, 559060, 950402, 1118120, 1900804, 2376005, 3801608, 4752010, 9504020, 19008040]

約数ペア:

[(1, 19008040), (2, 9504020), (4, 4752010), (5, 3801608), (8, 2376005), (10, 1900804), (17, 1118120), (20, 950402), (34, 559060), (40, 475201), (68, 279530), (85, 223624), (136, 139765), (170, 111812), (340, 55906), (680, 27953)]