18161696

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 23206624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 911, 1246, 1424, 1822, 2492, 2848, 3644, 4984, 6377, 7288, 9968, 12754, 14576, 19936, 25508, 29152, 51016, 81079, 102032, 162158, 204064, 324316, 567553, 648632, 1135106, 1297264, 2270212, 2594528, 4540424, 9080848, 18161696]

約数ペア:

[(1, 18161696), (2, 9080848), (4, 4540424), (7, 2594528), (8, 2270212), (14, 1297264), (16, 1135106), (28, 648632), (32, 567553), (56, 324316), (89, 204064), (112, 162158), (178, 102032), (224, 81079), (356, 51016), (623, 29152), (712, 25508), (911, 19936), (1246, 14576), (1424, 12754), (1822, 9968), (2492, 7288), (2848, 6377), (3644, 4984)]