18772920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52147}}^1$

素因数の和:52164

約数の個数: 48

約数和(自身を含む): 61013160

約数和(自身を除く): 42240240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52147, 104294, 156441, 208588, 260735, 312882, 417176, 469323, 521470, 625764, 782205, 938646, 1042940, 1251528, 1564410, 1877292, 2085880, 2346615, 3128820, 3754584, 4693230, 6257640, 9386460, 18772920]

約数ペア:

[(1, 18772920), (2, 9386460), (3, 6257640), (4, 4693230), (5, 3754584), (6, 3128820), (8, 2346615), (9, 2085880), (10, 1877292), (12, 1564410), (15, 1251528), (18, 1042940), (20, 938646), (24, 782205), (30, 625764), (36, 521470), (40, 469323), (45, 417176), (60, 312882), (72, 260735), (90, 208588), (120, 156441), (180, 104294), (360, 52147)]