18737536

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 40392000

約数和(自身を除く): 21654464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 109, 128, 136, 158, 218, 272, 316, 436, 544, 632, 872, 1088, 1264, 1343, 1744, 1853, 2176, 2528, 2686, 3488, 3706, 5056, 5372, 6976, 7412, 8611, 10112, 10744, 13952, 14824, 17222, 21488, 29648, 34444, 42976, 59296, 68888, 85952, 118592, 137776, 146387, 171904, 237184, 275552, 292774, 551104, 585548, 1102208, 1171096, 2342192, 4684384, 9368768, 18737536]

約数ペア:

[(1, 18737536), (2, 9368768), (4, 4684384), (8, 2342192), (16, 1171096), (17, 1102208), (32, 585548), (34, 551104), (64, 292774), (68, 275552), (79, 237184), (109, 171904), (128, 146387), (136, 137776), (158, 118592), (218, 85952), (272, 68888), (316, 59296), (436, 42976), (544, 34444), (632, 29648), (872, 21488), (1088, 17222), (1264, 14824), (1343, 13952), (1744, 10744), (1853, 10112), (2176, 8611), (2528, 7412), (2686, 6976), (3488, 5372), (3706, 5056)]