17980950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9221}}^1$

素因数の和:9249

約数の個数: 48

約数和(自身を含む): 48028176

約数和(自身を除く): 30047226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9221, 18442, 27663, 46105, 55326, 92210, 119873, 138315, 230525, 239746, 276630, 359619, 461050, 599365, 691575, 719238, 1198730, 1383150, 1798095, 2996825, 3596190, 5993650, 8990475, 17980950]

約数ペア:

[(1, 17980950), (2, 8990475), (3, 5993650), (5, 3596190), (6, 2996825), (10, 1798095), (13, 1383150), (15, 1198730), (25, 719238), (26, 691575), (30, 599365), (39, 461050), (50, 359619), (65, 276630), (75, 239746), (78, 230525), (130, 138315), (150, 119873), (195, 92210), (325, 55326), (390, 46105), (650, 27663), (975, 18442), (1950, 9221)]