18643884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{221951}}^1$

素因数の和:221965

約数の個数: 24

約数和(自身を含む): 49717248

約数和(自身を除く): 31073364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 221951, 443902, 665853, 887804, 1331706, 1553657, 2663412, 3107314, 4660971, 6214628, 9321942, 18643884]

約数ペア:

[(1, 18643884), (2, 9321942), (3, 6214628), (4, 4660971), (6, 3107314), (7, 2663412), (12, 1553657), (14, 1331706), (21, 887804), (28, 665853), (42, 443902), (84, 221951)]