18994016

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 38937024

約数和(自身を除く): 19943008

約数列:

[1, 2, 4, 8, 16, 32, 47, 73, 94, 146, 173, 188, 292, 346, 376, 584, 692, 752, 1168, 1384, 1504, 2336, 2768, 3431, 5536, 6862, 8131, 12629, 13724, 16262, 25258, 27448, 32524, 50516, 54896, 65048, 101032, 109792, 130096, 202064, 260192, 404128, 593563, 1187126, 2374252, 4748504, 9497008, 18994016]

約数ペア:

[(1, 18994016), (2, 9497008), (4, 4748504), (8, 2374252), (16, 1187126), (32, 593563), (47, 404128), (73, 260192), (94, 202064), (146, 130096), (173, 109792), (188, 101032), (292, 65048), (346, 54896), (376, 50516), (584, 32524), (692, 27448), (752, 25258), (1168, 16262), (1384, 13724), (1504, 12629), (2336, 8131), (2768, 6862), (3431, 5536)]