18890964

素因数分解:

$2^2\times 3^2\times {\mathrm{571}}^1\times {\mathrm{919}}^1$

素因数の和:1500

約数の個数: 36

約数和(自身を含む): 47887840

約数和(自身を除く): 28996876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571, 919, 1142, 1713, 1838, 2284, 2757, 3426, 3676, 5139, 5514, 6852, 8271, 10278, 11028, 16542, 20556, 33084, 524749, 1049498, 1574247, 2098996, 3148494, 4722741, 6296988, 9445482, 18890964]

約数ペア:

[(1, 18890964), (2, 9445482), (3, 6296988), (4, 4722741), (6, 3148494), (9, 2098996), (12, 1574247), (18, 1049498), (36, 524749), (571, 33084), (919, 20556), (1142, 16542), (1713, 11028), (1838, 10278), (2284, 8271), (2757, 6852), (3426, 5514), (3676, 5139)]