18824626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 12399182

約数列:

[1, 2, 23, 31, 43, 46, 62, 86, 307, 614, 713, 989, 1333, 1426, 1978, 2666, 7061, 9517, 13201, 14122, 19034, 26402, 30659, 61318, 218891, 303623, 409231, 437782, 607246, 818462, 9412313, 18824626]

約数ペア:

[(1, 18824626), (2, 9412313), (23, 818462), (31, 607246), (43, 437782), (46, 409231), (62, 303623), (86, 218891), (307, 61318), (614, 30659), (713, 26402), (989, 19034), (1333, 14122), (1426, 13201), (1978, 9517), (2666, 7061)]