18540352

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 56

約数和(自身を含む): 39420800

約数和(自身を除く): 20880448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 152, 158, 193, 304, 316, 386, 608, 632, 772, 1216, 1264, 1501, 1544, 2528, 3002, 3088, 3667, 5056, 6004, 6176, 7334, 12008, 12352, 14668, 15247, 24016, 29336, 30494, 48032, 58672, 60988, 96064, 117344, 121976, 234688, 243952, 289693, 487904, 579386, 975808, 1158772, 2317544, 4635088, 9270176, 18540352]

約数ペア:

[(1, 18540352), (2, 9270176), (4, 4635088), (8, 2317544), (16, 1158772), (19, 975808), (32, 579386), (38, 487904), (64, 289693), (76, 243952), (79, 234688), (152, 121976), (158, 117344), (193, 96064), (304, 60988), (316, 58672), (386, 48032), (608, 30494), (632, 29336), (772, 24016), (1216, 15247), (1264, 14668), (1501, 12352), (1544, 12008), (2528, 7334), (3002, 6176), (3088, 6004), (3667, 5056)]