18901896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 52012800

約数和(自身を除く): 33110904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1289, 1833, 2444, 2578, 3666, 3867, 4888, 5156, 7332, 7734, 10312, 14664, 15468, 16757, 30936, 33514, 50271, 60583, 67028, 100542, 121166, 134056, 181749, 201084, 242332, 363498, 402168, 484664, 726996, 787579, 1453992, 1575158, 2362737, 3150316, 4725474, 6300632, 9450948, 18901896]

約数ペア:

[(1, 18901896), (2, 9450948), (3, 6300632), (4, 4725474), (6, 3150316), (8, 2362737), (12, 1575158), (13, 1453992), (24, 787579), (26, 726996), (39, 484664), (47, 402168), (52, 363498), (78, 242332), (94, 201084), (104, 181749), (141, 134056), (156, 121166), (188, 100542), (282, 67028), (312, 60583), (376, 50271), (564, 33514), (611, 30936), (1128, 16757), (1222, 15468), (1289, 14664), (1833, 10312), (2444, 7734), (2578, 7332), (3666, 5156), (3867, 4888)]