18040672

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2551}}^1$

素因数の和:2591

約数の個数: 48

約数和(自身を含む): 40515552

約数和(自身を除く): 22474880

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2551, 3536, 5102, 7072, 10204, 20408, 33163, 40816, 43367, 66326, 81632, 86734, 132652, 173468, 265304, 346936, 530608, 563771, 693872, 1061216, 1127542, 1387744, 2255084, 4510168, 9020336, 18040672]

約数ペア:

[(1, 18040672), (2, 9020336), (4, 4510168), (8, 2255084), (13, 1387744), (16, 1127542), (17, 1061216), (26, 693872), (32, 563771), (34, 530608), (52, 346936), (68, 265304), (104, 173468), (136, 132652), (208, 86734), (221, 81632), (272, 66326), (416, 43367), (442, 40816), (544, 33163), (884, 20408), (1768, 10204), (2551, 7072), (3536, 5102)]