18830416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1103}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 40247424

約数和(自身を除く): 21417008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 388, 776, 1067, 1103, 1552, 2134, 2206, 4268, 4412, 8536, 8824, 12133, 17072, 17648, 24266, 48532, 97064, 106991, 194128, 213982, 427964, 855928, 1176901, 1711856, 2353802, 4707604, 9415208, 18830416]

約数ペア:

[(1, 18830416), (2, 9415208), (4, 4707604), (8, 2353802), (11, 1711856), (16, 1176901), (22, 855928), (44, 427964), (88, 213982), (97, 194128), (176, 106991), (194, 97064), (388, 48532), (776, 24266), (1067, 17648), (1103, 17072), (1552, 12133), (2134, 8824), (2206, 8536), (4268, 4412)]