18215288

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 24362632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 131, 182, 191, 262, 364, 382, 524, 728, 764, 917, 1048, 1337, 1528, 1703, 1834, 2483, 2674, 3406, 3668, 4966, 5348, 6812, 7336, 9932, 10696, 11921, 13624, 17381, 19864, 23842, 25021, 34762, 47684, 50042, 69524, 95368, 100084, 139048, 175147, 200168, 325273, 350294, 650546, 700588, 1301092, 1401176, 2276911, 2602184, 4553822, 9107644, 18215288]

約数ペア:

[(1, 18215288), (2, 9107644), (4, 4553822), (7, 2602184), (8, 2276911), (13, 1401176), (14, 1301092), (26, 700588), (28, 650546), (52, 350294), (56, 325273), (91, 200168), (104, 175147), (131, 139048), (182, 100084), (191, 95368), (262, 69524), (364, 50042), (382, 47684), (524, 34762), (728, 25021), (764, 23842), (917, 19864), (1048, 17381), (1337, 13624), (1528, 11921), (1703, 10696), (1834, 9932), (2483, 7336), (2674, 6812), (3406, 5348), (3668, 4966)]