18558364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 37900800

約数和(自身を除く): 19342436

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 79, 158, 209, 281, 316, 418, 562, 836, 869, 1124, 1501, 1738, 3002, 3091, 3476, 5339, 6004, 6182, 10678, 12364, 16511, 21356, 22199, 33022, 44398, 58729, 66044, 88796, 117458, 234916, 244189, 421781, 488378, 843562, 976756, 1687124, 4639591, 9279182, 18558364]

約数ペア:

[(1, 18558364), (2, 9279182), (4, 4639591), (11, 1687124), (19, 976756), (22, 843562), (38, 488378), (44, 421781), (76, 244189), (79, 234916), (158, 117458), (209, 88796), (281, 66044), (316, 58729), (418, 44398), (562, 33022), (836, 22199), (869, 21356), (1124, 16511), (1501, 12364), (1738, 10678), (3002, 6182), (3091, 6004), (3476, 5339)]