18425979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 31799040

約数和(自身を除く): 13373061

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 103, 117, 139, 143, 309, 417, 429, 927, 1133, 1251, 1287, 1339, 1529, 1807, 3399, 4017, 4587, 5421, 10197, 12051, 13761, 14317, 14729, 16263, 19877, 42951, 44187, 59631, 128853, 132561, 157487, 178893, 186121, 472461, 558363, 1417383, 1675089, 2047331, 6141993, 18425979]

約数ペア:

[(1, 18425979), (3, 6141993), (9, 2047331), (11, 1675089), (13, 1417383), (33, 558363), (39, 472461), (99, 186121), (103, 178893), (117, 157487), (139, 132561), (143, 128853), (309, 59631), (417, 44187), (429, 42951), (927, 19877), (1133, 16263), (1251, 14729), (1287, 14317), (1339, 13761), (1529, 12051), (1807, 10197), (3399, 5421), (4017, 4587)]