19471808

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 56

約数和(自身を含む): 41452800

約数和(自身を除く): 21980992

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 67, 76, 134, 152, 239, 268, 304, 478, 536, 608, 956, 1072, 1216, 1273, 1912, 2144, 2546, 3824, 4288, 4541, 5092, 7648, 9082, 10184, 15296, 16013, 18164, 20368, 32026, 36328, 40736, 64052, 72656, 81472, 128104, 145312, 256208, 290624, 304247, 512416, 608494, 1024832, 1216988, 2433976, 4867952, 9735904, 19471808]

約数ペア:

[(1, 19471808), (2, 9735904), (4, 4867952), (8, 2433976), (16, 1216988), (19, 1024832), (32, 608494), (38, 512416), (64, 304247), (67, 290624), (76, 256208), (134, 145312), (152, 128104), (239, 81472), (268, 72656), (304, 64052), (478, 40736), (536, 36328), (608, 32026), (956, 20368), (1072, 18164), (1216, 16013), (1273, 15296), (1912, 10184), (2144, 9082), (2546, 7648), (3824, 5092), (4288, 4541)]