19510728

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{13327}}^1$

素因数の和:13397

約数の個数: 32

約数和(自身を含む): 49580160

約数和(自身を除く): 30069432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 13327, 26654, 39981, 53308, 79962, 106616, 159924, 319848, 812947, 1625894, 2438841, 3251788, 4877682, 6503576, 9755364, 19510728]

約数ペア:

[(1, 19510728), (2, 9755364), (3, 6503576), (4, 4877682), (6, 3251788), (8, 2438841), (12, 1625894), (24, 812947), (61, 319848), (122, 159924), (183, 106616), (244, 79962), (366, 53308), (488, 39981), (732, 26654), (1464, 13327)]