19363720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4793}}^1$

素因数の和:4905

約数の個数: 32

約数和(自身を含む): 44008920

約数和(自身を除く): 24645200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4793, 9586, 19172, 23965, 38344, 47930, 95860, 191720, 484093, 968186, 1936372, 2420465, 3872744, 4840930, 9681860, 19363720]

約数ペア:

[(1, 19363720), (2, 9681860), (4, 4840930), (5, 3872744), (8, 2420465), (10, 1936372), (20, 968186), (40, 484093), (101, 191720), (202, 95860), (404, 47930), (505, 38344), (808, 23965), (1010, 19172), (2020, 9586), (4040, 4793)]