19908798

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5209}}^1$

素因数の和:5241

約数の個数: 48

約数和(自身を含む): 49890960

約数和(自身を除く): 29982162

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5209, 10418, 15627, 31254, 36463, 67717, 72926, 109389, 135434, 203151, 218778, 255241, 406302, 474019, 510482, 765723, 948038, 1422057, 1531446, 2844114, 3318133, 6636266, 9954399, 19908798]

約数ペア:

[(1, 19908798), (2, 9954399), (3, 6636266), (6, 3318133), (7, 2844114), (13, 1531446), (14, 1422057), (21, 948038), (26, 765723), (39, 510482), (42, 474019), (49, 406302), (78, 255241), (91, 218778), (98, 203151), (147, 135434), (182, 109389), (273, 72926), (294, 67717), (546, 36463), (637, 31254), (1274, 15627), (1911, 10418), (3822, 5209)]