18810836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22501}}^1$

素因数の和:22535

約数の個数: 24

約数和(自身を含む): 37803360

約数和(自身を除く): 18992524

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 22501, 45002, 90004, 247511, 427519, 495022, 855038, 990044, 1710076, 4702709, 9405418, 18810836]

約数ペア:

[(1, 18810836), (2, 9405418), (4, 4702709), (11, 1710076), (19, 990044), (22, 855038), (38, 495022), (44, 427519), (76, 247511), (209, 90004), (418, 45002), (836, 22501)]