18842205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3889}}^1$

素因数の和:3933

約数の個数: 32

約数和(自身を含む): 33609600

約数和(自身を除く): 14767395

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 3889, 4845, 11667, 19445, 58335, 66113, 73891, 198339, 221673, 330565, 369455, 991695, 1108365, 1256147, 3768441, 6280735, 18842205]

約数ペア:

[(1, 18842205), (3, 6280735), (5, 3768441), (15, 1256147), (17, 1108365), (19, 991695), (51, 369455), (57, 330565), (85, 221673), (95, 198339), (255, 73891), (285, 66113), (323, 58335), (969, 19445), (1615, 11667), (3889, 4845)]