18498856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7159}}^1$

素因数の和:7201

約数の個数: 32

約数和(自身を含む): 38664000

約数和(自身を除く): 20165144

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7159, 14318, 28636, 57272, 121703, 136021, 243406, 272042, 486812, 544084, 973624, 1088168, 2312357, 4624714, 9249428, 18498856]

約数ペア:

[(1, 18498856), (2, 9249428), (4, 4624714), (8, 2312357), (17, 1088168), (19, 973624), (34, 544084), (38, 486812), (68, 272042), (76, 243406), (136, 136021), (152, 121703), (323, 57272), (646, 28636), (1292, 14318), (2584, 7159)]