18731620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 42804720

約数和(自身を除く): 24073100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1489, 2516, 2978, 3145, 5956, 6290, 7445, 12580, 14890, 25313, 29780, 50626, 55093, 101252, 110186, 126565, 220372, 253130, 275465, 506260, 550930, 936581, 1101860, 1873162, 3746324, 4682905, 9365810, 18731620]

約数ペア:

[(1, 18731620), (2, 9365810), (4, 4682905), (5, 3746324), (10, 1873162), (17, 1101860), (20, 936581), (34, 550930), (37, 506260), (68, 275465), (74, 253130), (85, 220372), (148, 126565), (170, 110186), (185, 101252), (340, 55093), (370, 50626), (629, 29780), (740, 25313), (1258, 14890), (1489, 12580), (2516, 7445), (2978, 6290), (3145, 5956)]