18993574936

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2440079}}^1$

素因数の和:2440231

約数の個数: 32

約数和(自身を含む): 40993344000

約数和(自身を除く): 21999769064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 2440079, 4880158, 9760316, 17080553, 19520632, 34161106, 68322212, 136644424, 339170981, 678341962, 1356683924, 2374196867, 2713367848, 4748393734, 9496787468, 18993574936]

約数ペア:

[(1, 18993574936), (2, 9496787468), (4, 4748393734), (7, 2713367848), (8, 2374196867), (14, 1356683924), (28, 678341962), (56, 339170981), (139, 136644424), (278, 68322212), (556, 34161106), (973, 19520632), (1112, 17080553), (1946, 9760316), (3892, 4880158), (7784, 2440079)]