18974865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13901}}^1$

素因数の和:13929

約数の個数: 32

約数和(自身を含む): 37368576

約数和(自身を除く): 18393711

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13901, 41703, 69505, 97307, 180713, 208515, 291921, 486535, 542139, 903565, 1264991, 1459605, 2710695, 3794973, 6324955, 18974865]

約数ペア:

[(1, 18974865), (3, 6324955), (5, 3794973), (7, 2710695), (13, 1459605), (15, 1264991), (21, 903565), (35, 542139), (39, 486535), (65, 291921), (91, 208515), (105, 180713), (195, 97307), (273, 69505), (455, 41703), (1365, 13901)]