19001783740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1753}}^1\times {\mathrm{13219}}^1$

素因数の和:15022

約数の個数: 48

約数和(自身を含む): 40903420320

約数和(自身を除く): 21901636580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1753, 3506, 7012, 8765, 13219, 17530, 26438, 35060, 52876, 66095, 71873, 132190, 143746, 264380, 287492, 359365, 541979, 718730, 1083958, 1437460, 2167916, 2709895, 5419790, 10839580, 23172907, 46345814, 92691628, 115864535, 231729070, 463458140, 950089187, 1900178374, 3800356748, 4750445935, 9500891870, 19001783740]

約数ペア:

[(1, 19001783740), (2, 9500891870), (4, 4750445935), (5, 3800356748), (10, 1900178374), (20, 950089187), (41, 463458140), (82, 231729070), (164, 115864535), (205, 92691628), (410, 46345814), (820, 23172907), (1753, 10839580), (3506, 5419790), (7012, 2709895), (8765, 2167916), (13219, 1437460), (17530, 1083958), (26438, 718730), (35060, 541979), (52876, 359365), (66095, 287492), (71873, 264380), (132190, 143746)]