18127928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 43028160

約数和(自身を除く): 24900232

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 91, 104, 148, 182, 259, 296, 364, 481, 518, 673, 728, 962, 1036, 1346, 1924, 2072, 2692, 3367, 3848, 4711, 5384, 6734, 8749, 9422, 13468, 17498, 18844, 24901, 26936, 34996, 37688, 49802, 61243, 69992, 99604, 122486, 174307, 199208, 244972, 323713, 348614, 489944, 647426, 697228, 1294852, 1394456, 2265991, 2589704, 4531982, 9063964, 18127928]

約数ペア:

[(1, 18127928), (2, 9063964), (4, 4531982), (7, 2589704), (8, 2265991), (13, 1394456), (14, 1294852), (26, 697228), (28, 647426), (37, 489944), (52, 348614), (56, 323713), (74, 244972), (91, 199208), (104, 174307), (148, 122486), (182, 99604), (259, 69992), (296, 61243), (364, 49802), (481, 37688), (518, 34996), (673, 26936), (728, 24901), (962, 18844), (1036, 17498), (1346, 13468), (1924, 9422), (2072, 8749), (2692, 6734), (3367, 5384), (3848, 4711)]