18867038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21587}}^1$

素因数の和:21631

約数の個数: 16

約数和(自身を含む): 31086720

約数和(自身を除く): 12219682

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21587, 43174, 410153, 496501, 820306, 993002, 9433519, 18867038]

約数ペア:

[(1, 18867038), (2, 9433519), (19, 993002), (23, 820306), (38, 496501), (46, 410153), (437, 43174), (874, 21587)]