19455780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7541}}^1$

素因数の和:7596

約数の個数: 48

約数和(自身を含む): 55750464

約数和(自身を除く): 36294684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7541, 15082, 22623, 30164, 37705, 45246, 75410, 90492, 113115, 150820, 226230, 324263, 452460, 648526, 972789, 1297052, 1621315, 1945578, 3242630, 3891156, 4863945, 6485260, 9727890, 19455780]

約数ペア:

[(1, 19455780), (2, 9727890), (3, 6485260), (4, 4863945), (5, 3891156), (6, 3242630), (10, 1945578), (12, 1621315), (15, 1297052), (20, 972789), (30, 648526), (43, 452460), (60, 324263), (86, 226230), (129, 150820), (172, 113115), (215, 90492), (258, 75410), (430, 45246), (516, 37705), (645, 30164), (860, 22623), (1290, 15082), (2580, 7541)]