18936996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6428

約数の個数: 48

約数和(自身を含む): 50097600

約数和(自身を除く): 31160604

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6389, 12778, 19167, 25556, 38334, 76668, 83057, 121391, 166114, 242782, 249171, 332228, 364173, 485564, 498342, 728346, 996684, 1456692, 1578083, 3156166, 4734249, 6312332, 9468498, 18936996]

約数ペア:

[(1, 18936996), (2, 9468498), (3, 6312332), (4, 4734249), (6, 3156166), (12, 1578083), (13, 1456692), (19, 996684), (26, 728346), (38, 498342), (39, 485564), (52, 364173), (57, 332228), (76, 249171), (78, 242782), (114, 166114), (156, 121391), (228, 83057), (247, 76668), (494, 38334), (741, 25556), (988, 19167), (1482, 12778), (2964, 6389)]