17968984

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 39022200

約数和(自身を除く): 21053216

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 977, 1672, 1954, 2299, 3908, 4598, 7816, 9196, 10747, 18392, 18563, 21494, 37126, 42988, 74252, 85976, 118217, 148504, 204193, 236434, 408386, 472868, 816772, 945736, 1633544, 2246123, 4492246, 8984492, 17968984]

約数ペア:

[(1, 17968984), (2, 8984492), (4, 4492246), (8, 2246123), (11, 1633544), (19, 945736), (22, 816772), (38, 472868), (44, 408386), (76, 236434), (88, 204193), (121, 148504), (152, 118217), (209, 85976), (242, 74252), (418, 42988), (484, 37126), (836, 21494), (968, 18563), (977, 18392), (1672, 10747), (1954, 9196), (2299, 7816), (3908, 4598)]