2018401424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{225671}}^1$

素因数の和:225735

約数の個数: 40

約数和(自身を含む): 4309432512

約数和(自身を除く): 2291031088

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 225671, 451342, 902684, 1805368, 2933723, 3610736, 5867446, 9703853, 11734892, 19407706, 23469784, 38815412, 46939568, 77630824, 126150089, 155261648, 252300178, 504600356, 1009200712, 2018401424]

約数ペア:

[(1, 2018401424), (2, 1009200712), (4, 504600356), (8, 252300178), (13, 155261648), (16, 126150089), (26, 77630824), (43, 46939568), (52, 38815412), (86, 23469784), (104, 19407706), (172, 11734892), (208, 9703853), (344, 5867446), (559, 3610736), (688, 2933723), (1118, 1805368), (2236, 902684), (4472, 451342), (8944, 225671)]