19645128

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{11863}}^1$

素因数の和:11898

約数の個数: 48

約数和(自身を含む): 55523520

約数和(自身を除く): 35878392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 11863, 23726, 35589, 47452, 71178, 94904, 106767, 142356, 213534, 272849, 284712, 427068, 545698, 818547, 854136, 1091396, 1637094, 2182792, 2455641, 3274188, 4911282, 6548376, 9822564, 19645128]

約数ペア:

[(1, 19645128), (2, 9822564), (3, 6548376), (4, 4911282), (6, 3274188), (8, 2455641), (9, 2182792), (12, 1637094), (18, 1091396), (23, 854136), (24, 818547), (36, 545698), (46, 427068), (69, 284712), (72, 272849), (92, 213534), (138, 142356), (184, 106767), (207, 94904), (276, 71178), (414, 47452), (552, 35589), (828, 23726), (1656, 11863)]