19681296

素因数分解:

$2^4\times 3^1\times {\mathrm{521}}^1\times {\mathrm{787}}^1$

素因数の和:1319

約数の個数: 40

約数和(自身を含む): 51005664

約数和(自身を除く): 31324368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 521, 787, 1042, 1563, 1574, 2084, 2361, 3126, 3148, 4168, 4722, 6252, 6296, 8336, 9444, 12504, 12592, 18888, 25008, 37776, 410027, 820054, 1230081, 1640108, 2460162, 3280216, 4920324, 6560432, 9840648, 19681296]

約数ペア:

[(1, 19681296), (2, 9840648), (3, 6560432), (4, 4920324), (6, 3280216), (8, 2460162), (12, 1640108), (16, 1230081), (24, 820054), (48, 410027), (521, 37776), (787, 25008), (1042, 18888), (1563, 12592), (1574, 12504), (2084, 9444), (2361, 8336), (3126, 6296), (3148, 6252), (4168, 4722)]