18555795

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 33976800

約数和(自身を除く): 15421005

約数列:

[1, 3, 5, 9, 15, 29, 45, 59, 87, 145, 177, 241, 261, 295, 435, 531, 723, 885, 1205, 1305, 1711, 2169, 2655, 3615, 5133, 6989, 8555, 10845, 14219, 15399, 20967, 25665, 34945, 42657, 62901, 71095, 76995, 104835, 127971, 213285, 314505, 412351, 639855, 1237053, 2061755, 3711159, 6185265, 18555795]

約数ペア:

[(1, 18555795), (3, 6185265), (5, 3711159), (9, 2061755), (15, 1237053), (29, 639855), (45, 412351), (59, 314505), (87, 213285), (145, 127971), (177, 104835), (241, 76995), (261, 71095), (295, 62901), (435, 42657), (531, 34945), (723, 25665), (885, 20967), (1205, 15399), (1305, 14219), (1711, 10845), (2169, 8555), (2655, 6989), (3615, 5133)]