19918184

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 45843840

約数和(自身を除く): 25925656

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 184, 253, 286, 299, 506, 572, 598, 757, 1012, 1144, 1196, 1514, 2024, 2392, 3028, 3289, 6056, 6578, 8327, 9841, 13156, 16654, 17411, 19682, 26312, 33308, 34822, 39364, 66616, 69644, 78728, 108251, 139288, 191521, 216502, 226343, 383042, 433004, 452686, 766084, 866008, 905372, 1532168, 1810744, 2489773, 4979546, 9959092, 19918184]

約数ペア:

[(1, 19918184), (2, 9959092), (4, 4979546), (8, 2489773), (11, 1810744), (13, 1532168), (22, 905372), (23, 866008), (26, 766084), (44, 452686), (46, 433004), (52, 383042), (88, 226343), (92, 216502), (104, 191521), (143, 139288), (184, 108251), (253, 78728), (286, 69644), (299, 66616), (506, 39364), (572, 34822), (598, 33308), (757, 26312), (1012, 19682), (1144, 17411), (1196, 16654), (1514, 13156), (2024, 9841), (2392, 8327), (3028, 6578), (3289, 6056)]