19452748

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 40843264

約数和(自身を除く): 21390516

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 73, 124, 146, 217, 292, 307, 434, 511, 614, 868, 1022, 1228, 2044, 2149, 2263, 4298, 4526, 8596, 9052, 9517, 15841, 19034, 22411, 31682, 38068, 44822, 63364, 66619, 89644, 133238, 156877, 266476, 313754, 627508, 694741, 1389482, 2778964, 4863187, 9726374, 19452748]

約数ペア:

[(1, 19452748), (2, 9726374), (4, 4863187), (7, 2778964), (14, 1389482), (28, 694741), (31, 627508), (62, 313754), (73, 266476), (124, 156877), (146, 133238), (217, 89644), (292, 66619), (307, 63364), (434, 44822), (511, 38068), (614, 31682), (868, 22411), (1022, 19034), (1228, 15841), (2044, 9517), (2149, 9052), (2263, 8596), (4298, 4526)]