18526431

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 32481792

約数和(自身を除く): 13955361

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 121, 161, 231, 253, 317, 363, 483, 759, 847, 951, 1771, 2219, 2541, 2783, 3487, 5313, 6657, 7291, 8349, 10461, 19481, 21873, 24409, 38357, 51037, 58443, 73227, 80201, 115071, 153111, 240603, 268499, 561407, 805497, 882211, 1684221, 2646633, 6175477, 18526431]

約数ペア:

[(1, 18526431), (3, 6175477), (7, 2646633), (11, 1684221), (21, 882211), (23, 805497), (33, 561407), (69, 268499), (77, 240603), (121, 153111), (161, 115071), (231, 80201), (253, 73227), (317, 58443), (363, 51037), (483, 38357), (759, 24409), (847, 21873), (951, 19481), (1771, 10461), (2219, 8349), (2541, 7291), (2783, 6657), (3487, 5313)]