19890884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22501}}^1$

素因数の和:22535

約数の個数: 24

約数和(自身を含む): 39693528

約数和(自身を除く): 19802644

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22501, 45002, 90004, 292513, 382517, 585026, 765034, 1170052, 1530068, 4972721, 9945442, 19890884]

約数ペア:

[(1, 19890884), (2, 9945442), (4, 4972721), (13, 1530068), (17, 1170052), (26, 765034), (34, 585026), (52, 382517), (68, 292513), (221, 90004), (442, 45002), (884, 22501)]