19681584

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31541}}^1$

素因数の和:31565

約数の個数: 40

約数和(自身を含む): 54756912

約数和(自身を除く): 35075328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31541, 63082, 94623, 126164, 189246, 252328, 378492, 410033, 504656, 756984, 820066, 1230099, 1513968, 1640132, 2460198, 3280264, 4920396, 6560528, 9840792, 19681584]

約数ペア:

[(1, 19681584), (2, 9840792), (3, 6560528), (4, 4920396), (6, 3280264), (8, 2460198), (12, 1640132), (13, 1513968), (16, 1230099), (24, 820066), (26, 756984), (39, 504656), (48, 410033), (52, 378492), (78, 252328), (104, 189246), (156, 126164), (208, 94623), (312, 63082), (624, 31541)]