19897128

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2683}}^1$

素因数の和:2798

約数の個数: 48

約数和(自身を含む): 54431520

約数和(自身を除く): 34534392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2683, 3708, 5366, 7416, 8049, 10732, 16098, 21464, 24147, 32196, 48294, 64392, 96588, 193176, 276349, 552698, 829047, 1105396, 1658094, 2210792, 2487141, 3316188, 4974282, 6632376, 9948564, 19897128]

約数ペア:

[(1, 19897128), (2, 9948564), (3, 6632376), (4, 4974282), (6, 3316188), (8, 2487141), (9, 2210792), (12, 1658094), (18, 1105396), (24, 829047), (36, 552698), (72, 276349), (103, 193176), (206, 96588), (309, 64392), (412, 48294), (618, 32196), (824, 24147), (927, 21464), (1236, 16098), (1854, 10732), (2472, 8049), (2683, 7416), (3708, 5366)]