19963512

素因数分解:

$2^3\times 3^2\times {\mathrm{179}}^1\times {\mathrm{1549}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 54405000

約数和(自身を除く): 34441488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 179, 358, 537, 716, 1074, 1432, 1549, 1611, 2148, 3098, 3222, 4296, 4647, 6196, 6444, 9294, 12392, 12888, 13941, 18588, 27882, 37176, 55764, 111528, 277271, 554542, 831813, 1109084, 1663626, 2218168, 2495439, 3327252, 4990878, 6654504, 9981756, 19963512]

約数ペア:

[(1, 19963512), (2, 9981756), (3, 6654504), (4, 4990878), (6, 3327252), (8, 2495439), (9, 2218168), (12, 1663626), (18, 1109084), (24, 831813), (36, 554542), (72, 277271), (179, 111528), (358, 55764), (537, 37176), (716, 27882), (1074, 18588), (1432, 13941), (1549, 12888), (1611, 12392), (2148, 9294), (3098, 6444), (3222, 6196), (4296, 4647)]