18982976

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 56

約数和(自身を含む): 40416480

約数和(自身を除く): 21433504

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 67, 76, 134, 152, 233, 268, 304, 466, 536, 608, 932, 1072, 1216, 1273, 1864, 2144, 2546, 3728, 4288, 4427, 5092, 7456, 8854, 10184, 14912, 15611, 17708, 20368, 31222, 35416, 40736, 62444, 70832, 81472, 124888, 141664, 249776, 283328, 296609, 499552, 593218, 999104, 1186436, 2372872, 4745744, 9491488, 18982976]

約数ペア:

[(1, 18982976), (2, 9491488), (4, 4745744), (8, 2372872), (16, 1186436), (19, 999104), (32, 593218), (38, 499552), (64, 296609), (67, 283328), (76, 249776), (134, 141664), (152, 124888), (233, 81472), (268, 70832), (304, 62444), (466, 40736), (536, 35416), (608, 31222), (932, 20368), (1072, 17708), (1216, 15611), (1273, 14912), (1864, 10184), (2144, 8854), (2546, 7456), (3728, 5092), (4288, 4427)]