18551442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 46497024

約数和(自身を除く): 27945582

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 546, 557, 793, 854, 1114, 1281, 1586, 1671, 2379, 2562, 3342, 3899, 4758, 5551, 7241, 7798, 11102, 11697, 14482, 16653, 21723, 23394, 33306, 33977, 43446, 50687, 67954, 101374, 101931, 152061, 203862, 237839, 304122, 441701, 475678, 713517, 883402, 1325103, 1427034, 2650206, 3091907, 6183814, 9275721, 18551442]

約数ペア:

[(1, 18551442), (2, 9275721), (3, 6183814), (6, 3091907), (7, 2650206), (13, 1427034), (14, 1325103), (21, 883402), (26, 713517), (39, 475678), (42, 441701), (61, 304122), (78, 237839), (91, 203862), (122, 152061), (182, 101931), (183, 101374), (273, 67954), (366, 50687), (427, 43446), (546, 33977), (557, 33306), (793, 23394), (854, 21723), (1114, 16653), (1281, 14482), (1586, 11697), (1671, 11102), (2379, 7798), (2562, 7241), (3342, 5551), (3899, 4758)]