19266988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19501}}^1$

素因数の和:19537

約数の個数: 24

約数和(自身を含む): 38223920

約数和(自身を除く): 18956932

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19501, 39002, 78004, 253513, 370519, 507026, 741038, 1014052, 1482076, 4816747, 9633494, 19266988]

約数ペア:

[(1, 19266988), (2, 9633494), (4, 4816747), (13, 1482076), (19, 1014052), (26, 741038), (38, 507026), (52, 370519), (76, 253513), (247, 78004), (494, 39002), (988, 19501)]