19240420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 42594048

約数和(自身を除く): 23353628

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 230, 277, 302, 460, 554, 604, 755, 1108, 1385, 1510, 2770, 3020, 3473, 5540, 6371, 6946, 12742, 13892, 17365, 25484, 31855, 34730, 41827, 63710, 69460, 83654, 127420, 167308, 209135, 418270, 836540, 962021, 1924042, 3848084, 4810105, 9620210, 19240420]

約数ペア:

[(1, 19240420), (2, 9620210), (4, 4810105), (5, 3848084), (10, 1924042), (20, 962021), (23, 836540), (46, 418270), (92, 209135), (115, 167308), (151, 127420), (230, 83654), (277, 69460), (302, 63710), (460, 41827), (554, 34730), (604, 31855), (755, 25484), (1108, 17365), (1385, 13892), (1510, 12742), (2770, 6946), (3020, 6371), (3473, 5540)]