19388500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2281}}^1$

素因数の和:2317

約数の個数: 48

約数和(自身を含む): 44854992

約数和(自身を除く): 25466492

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2281, 4250, 4562, 8500, 9124, 11405, 22810, 38777, 45620, 57025, 77554, 114050, 155108, 193885, 228100, 285125, 387770, 570250, 775540, 969425, 1140500, 1938850, 3877700, 4847125, 9694250, 19388500]

約数ペア:

[(1, 19388500), (2, 9694250), (4, 4847125), (5, 3877700), (10, 1938850), (17, 1140500), (20, 969425), (25, 775540), (34, 570250), (50, 387770), (68, 285125), (85, 228100), (100, 193885), (125, 155108), (170, 114050), (250, 77554), (340, 57025), (425, 45620), (500, 38777), (850, 22810), (1700, 11405), (2125, 9124), (2281, 8500), (4250, 4562)]