18982406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 13192954

約数列:

[1, 2, 19, 23, 37, 38, 46, 74, 437, 587, 703, 851, 874, 1174, 1406, 1702, 11153, 13501, 16169, 21719, 22306, 27002, 32338, 43438, 256519, 412661, 499537, 513038, 825322, 999074, 9491203, 18982406]

約数ペア:

[(1, 18982406), (2, 9491203), (19, 999074), (23, 825322), (37, 513038), (38, 499537), (46, 412661), (74, 256519), (437, 43438), (587, 32338), (703, 27002), (851, 22306), (874, 21719), (1174, 16169), (1406, 13501), (1702, 11153)]