19357371

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 13664709

約数列:

[1, 3, 9, 11, 19, 33, 41, 57, 99, 123, 171, 209, 251, 369, 451, 627, 753, 779, 1353, 1881, 2259, 2337, 2761, 4059, 4769, 7011, 8283, 8569, 10291, 14307, 24849, 25707, 30873, 42921, 52459, 77121, 92619, 113201, 157377, 195529, 339603, 472131, 586587, 1018809, 1759761, 2150819, 6452457, 19357371]

約数ペア:

[(1, 19357371), (3, 6452457), (9, 2150819), (11, 1759761), (19, 1018809), (33, 586587), (41, 472131), (57, 339603), (99, 195529), (123, 157377), (171, 113201), (209, 92619), (251, 77121), (369, 52459), (451, 42921), (627, 30873), (753, 25707), (779, 24849), (1353, 14307), (1881, 10291), (2259, 8569), (2337, 8283), (2761, 7011), (4059, 4769)]