19698327

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 33336576

約数和(自身を除く): 13638249

約数列:

[1, 3, 9, 11, 23, 33, 41, 69, 99, 123, 207, 211, 253, 369, 451, 633, 759, 943, 1353, 1899, 2277, 2321, 2829, 4059, 4853, 6963, 8487, 8651, 10373, 14559, 20889, 25953, 31119, 43677, 53383, 77859, 93357, 95161, 160149, 198973, 285483, 480447, 596919, 856449, 1790757, 2188703, 6566109, 19698327]

約数ペア:

[(1, 19698327), (3, 6566109), (9, 2188703), (11, 1790757), (23, 856449), (33, 596919), (41, 480447), (69, 285483), (99, 198973), (123, 160149), (207, 95161), (211, 93357), (253, 77859), (369, 53383), (451, 43677), (633, 31119), (759, 25953), (943, 20889), (1353, 14559), (1899, 10373), (2277, 8651), (2321, 8487), (2829, 6963), (4059, 4853)]