18856968

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3222

約数の個数: 64

約数和(自身を含む): 53457600

約数和(自身を除く): 34600632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3181, 5928, 6362, 9543, 12724, 19086, 25448, 38172, 41353, 60439, 76344, 82706, 120878, 124059, 165412, 181317, 241756, 248118, 330824, 362634, 483512, 496236, 725268, 785707, 992472, 1450536, 1571414, 2357121, 3142828, 4714242, 6285656, 9428484, 18856968]

約数ペア:

[(1, 18856968), (2, 9428484), (3, 6285656), (4, 4714242), (6, 3142828), (8, 2357121), (12, 1571414), (13, 1450536), (19, 992472), (24, 785707), (26, 725268), (38, 496236), (39, 483512), (52, 362634), (57, 330824), (76, 248118), (78, 241756), (104, 181317), (114, 165412), (152, 124059), (156, 120878), (228, 82706), (247, 76344), (312, 60439), (456, 41353), (494, 38172), (741, 25448), (988, 19086), (1482, 12724), (1976, 9543), (2964, 6362), (3181, 5928)]