18964736

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 45622080

約数和(自身を除く): 26657344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 557, 608, 896, 1064, 1114, 1216, 1792, 2128, 2228, 2432, 3899, 4256, 4456, 4864, 7798, 8512, 8912, 10583, 15596, 17024, 17824, 21166, 31192, 34048, 35648, 42332, 62384, 71296, 74081, 84664, 124768, 142592, 148162, 169328, 249536, 296324, 338656, 499072, 592648, 677312, 998144, 1185296, 1354624, 2370592, 2709248, 4741184, 9482368, 18964736]

約数ペア:

[(1, 18964736), (2, 9482368), (4, 4741184), (7, 2709248), (8, 2370592), (14, 1354624), (16, 1185296), (19, 998144), (28, 677312), (32, 592648), (38, 499072), (56, 338656), (64, 296324), (76, 249536), (112, 169328), (128, 148162), (133, 142592), (152, 124768), (224, 84664), (256, 74081), (266, 71296), (304, 62384), (448, 42332), (532, 35648), (557, 34048), (608, 31192), (896, 21166), (1064, 17824), (1114, 17024), (1216, 15596), (1792, 10583), (2128, 8912), (2228, 8512), (2432, 7798), (3899, 4864), (4256, 4456)]