19103500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2939}}^1$

素因数の和:2971

約数の個数: 48

約数和(自身を含む): 44946720

約数和(自身を除く): 25843220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2939, 3250, 5878, 6500, 11756, 14695, 29390, 38207, 58780, 73475, 76414, 146950, 152828, 191035, 293900, 367375, 382070, 734750, 764140, 955175, 1469500, 1910350, 3820700, 4775875, 9551750, 19103500]

約数ペア:

[(1, 19103500), (2, 9551750), (4, 4775875), (5, 3820700), (10, 1910350), (13, 1469500), (20, 955175), (25, 764140), (26, 734750), (50, 382070), (52, 367375), (65, 293900), (100, 191035), (125, 152828), (130, 146950), (250, 76414), (260, 73475), (325, 58780), (500, 38207), (650, 29390), (1300, 14695), (1625, 11756), (2939, 6500), (3250, 5878)]