19074020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3323}}^1$

素因数の和:3380

約数の個数: 48

約数和(自身を含む): 46908288

約数和(自身を除く): 27834268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3323, 5740, 6646, 13292, 16615, 23261, 33230, 46522, 66460, 93044, 116305, 136243, 232610, 272486, 465220, 544972, 681215, 953701, 1362430, 1907402, 2724860, 3814804, 4768505, 9537010, 19074020]

約数ペア:

[(1, 19074020), (2, 9537010), (4, 4768505), (5, 3814804), (7, 2724860), (10, 1907402), (14, 1362430), (20, 953701), (28, 681215), (35, 544972), (41, 465220), (70, 272486), (82, 232610), (140, 136243), (164, 116305), (205, 93044), (287, 66460), (410, 46522), (574, 33230), (820, 23261), (1148, 16615), (1435, 13292), (2870, 6646), (3323, 5740)]