19695676

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4919}}^1$

素因数の和:4954

約数の個数: 48

約数和(自身を含む): 46287360

約数和(自身を除く): 26591684

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4919, 9838, 19676, 34433, 54109, 63947, 68866, 108218, 127894, 137732, 216436, 255788, 378763, 447629, 703417, 757526, 895258, 1406834, 1515052, 1790516, 2813668, 4923919, 9847838, 19695676]

約数ペア:

[(1, 19695676), (2, 9847838), (4, 4923919), (7, 2813668), (11, 1790516), (13, 1515052), (14, 1406834), (22, 895258), (26, 757526), (28, 703417), (44, 447629), (52, 378763), (77, 255788), (91, 216436), (143, 137732), (154, 127894), (182, 108218), (286, 68866), (308, 63947), (364, 54109), (572, 34433), (1001, 19676), (2002, 9838), (4004, 4919)]