19424240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22073}}^1$

素因数の和:22097

約数の個数: 40

約数和(自身を含む): 49269168

約数和(自身を除く): 29844928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22073, 44146, 88292, 110365, 176584, 220730, 242803, 353168, 441460, 485606, 882920, 971212, 1214015, 1765840, 1942424, 2428030, 3884848, 4856060, 9712120, 19424240]

約数ペア:

[(1, 19424240), (2, 9712120), (4, 4856060), (5, 3884848), (8, 2428030), (10, 1942424), (11, 1765840), (16, 1214015), (20, 971212), (22, 882920), (40, 485606), (44, 441460), (55, 353168), (80, 242803), (88, 220730), (110, 176584), (176, 110365), (220, 88292), (440, 44146), (880, 22073)]