18785954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 32114880

約数和(自身を除く): 13328926

約数列:

[1, 2, 11, 22, 41, 59, 82, 118, 353, 451, 649, 706, 902, 1298, 2419, 3883, 4838, 7766, 14473, 20827, 26609, 28946, 41654, 53218, 159203, 229097, 318406, 458194, 853907, 1707814, 9392977, 18785954]

約数ペア:

[(1, 18785954), (2, 9392977), (11, 1707814), (22, 853907), (41, 458194), (59, 318406), (82, 229097), (118, 159203), (353, 53218), (451, 41654), (649, 28946), (706, 26609), (902, 20827), (1298, 14473), (2419, 7766), (3883, 4838)]