19622691

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:552

約数の個数: 36

約数和(自身を含む): 32062576

約数和(自身を除く): 12439885

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 333, 363, 407, 487, 1089, 1221, 1461, 3663, 4383, 4477, 5357, 13431, 16071, 18019, 40293, 48213, 54057, 58927, 162171, 176781, 198209, 530343, 594627, 1783881, 2180299, 6540897, 19622691]

約数ペア:

[(1, 19622691), (3, 6540897), (9, 2180299), (11, 1783881), (33, 594627), (37, 530343), (99, 198209), (111, 176781), (121, 162171), (333, 58927), (363, 54057), (407, 48213), (487, 40293), (1089, 18019), (1221, 16071), (1461, 13431), (3663, 5357), (4383, 4477)]