18782118

素因数分解:

$2^1\times 3^4\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:714

約数の個数: 40

約数和(自身を含む): 42340320

約数和(自身を除く): 23558202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 269, 431, 538, 807, 862, 1293, 1614, 2421, 2586, 3879, 4842, 7263, 7758, 11637, 14526, 21789, 23274, 34911, 43578, 69822, 115939, 231878, 347817, 695634, 1043451, 2086902, 3130353, 6260706, 9391059, 18782118]

約数ペア:

[(1, 18782118), (2, 9391059), (3, 6260706), (6, 3130353), (9, 2086902), (18, 1043451), (27, 695634), (54, 347817), (81, 231878), (162, 115939), (269, 69822), (431, 43578), (538, 34911), (807, 23274), (862, 21789), (1293, 14526), (1614, 11637), (2421, 7758), (2586, 7263), (3879, 4842)]