18990779584

素因数分解:

$2^6\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{39953}}^1$

素因数の和:41033

約数の個数: 56

約数和(自身を含む): 43110046368

約数和(自身を除く): 24119266784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1061, 2122, 4244, 7427, 8488, 14854, 16976, 29708, 33952, 39953, 59416, 67904, 79906, 118832, 159812, 237664, 279671, 319624, 475328, 559342, 639248, 1118684, 1278496, 2237368, 2556992, 4474736, 8949472, 17898944, 42390133, 84780266, 169560532, 296730931, 339121064, 593461862, 678242128, 1186923724, 1356484256, 2373847448, 2712968512, 4747694896, 9495389792, 18990779584]

約数ペア:

[(1, 18990779584), (2, 9495389792), (4, 4747694896), (7, 2712968512), (8, 2373847448), (14, 1356484256), (16, 1186923724), (28, 678242128), (32, 593461862), (56, 339121064), (64, 296730931), (112, 169560532), (224, 84780266), (448, 42390133), (1061, 17898944), (2122, 8949472), (4244, 4474736), (7427, 2556992), (8488, 2237368), (14854, 1278496), (16976, 1118684), (29708, 639248), (33952, 559342), (39953, 475328), (59416, 319624), (67904, 279671), (79906, 237664), (118832, 159812)]