19618599

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 16508121

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 47, 77, 91, 139, 141, 143, 231, 273, 329, 417, 429, 517, 611, 973, 987, 1001, 1529, 1551, 1807, 1833, 2919, 3003, 3619, 4277, 4587, 5421, 6533, 6721, 10703, 10857, 12649, 12831, 19599, 19877, 20163, 32109, 37947, 45731, 47047, 59631, 71863, 84929, 137193, 139139, 141141, 215589, 254787, 417417, 503041, 594503, 934219, 1509123, 1783509, 2802657, 6539533, 19618599]

約数ペア:

[(1, 19618599), (3, 6539533), (7, 2802657), (11, 1783509), (13, 1509123), (21, 934219), (33, 594503), (39, 503041), (47, 417417), (77, 254787), (91, 215589), (139, 141141), (141, 139139), (143, 137193), (231, 84929), (273, 71863), (329, 59631), (417, 47047), (429, 45731), (517, 37947), (611, 32109), (973, 20163), (987, 19877), (1001, 19599), (1529, 12831), (1551, 12649), (1807, 10857), (1833, 10703), (2919, 6721), (3003, 6533), (3619, 5421), (4277, 4587)]