19187480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36899}}^1$

素因数の和:36923

約数の個数: 32

約数和(自身を含む): 46494000

約数和(自身を除く): 27306520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36899, 73798, 147596, 184495, 295192, 368990, 479687, 737980, 959374, 1475960, 1918748, 2398435, 3837496, 4796870, 9593740, 19187480]

約数ペア:

[(1, 19187480), (2, 9593740), (4, 4796870), (5, 3837496), (8, 2398435), (10, 1918748), (13, 1475960), (20, 959374), (26, 737980), (40, 479687), (52, 368990), (65, 295192), (104, 184495), (130, 147596), (260, 73798), (520, 36899)]