18430420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{15619}}^1$

素因数の和:15687

約数の個数: 24

約数和(自身を含む): 39362400

約数和(自身を除く): 20931980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 15619, 31238, 62476, 78095, 156190, 312380, 921521, 1843042, 3686084, 4607605, 9215210, 18430420]

約数ペア:

[(1, 18430420), (2, 9215210), (4, 4607605), (5, 3686084), (10, 1843042), (20, 921521), (59, 312380), (118, 156190), (236, 78095), (295, 62476), (590, 31238), (1180, 15619)]