18426616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3415

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 19494344

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3343, 5512, 6686, 13372, 26744, 43459, 86918, 173836, 177179, 347672, 354358, 708716, 1417432, 2303327, 4606654, 9213308, 18426616]

約数ペア:

[(1, 18426616), (2, 9213308), (4, 4606654), (8, 2303327), (13, 1417432), (26, 708716), (52, 354358), (53, 347672), (104, 177179), (106, 173836), (212, 86918), (424, 43459), (689, 26744), (1378, 13372), (2756, 6686), (3343, 5512)]