19177904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70507}}^1$

素因数の和:70532

約数の個数: 20

約数和(自身を含む): 39343464

約数和(自身を除く): 20165560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70507, 141014, 282028, 564056, 1128112, 1198619, 2397238, 4794476, 9588952, 19177904]

約数ペア:

[(1, 19177904), (2, 9588952), (4, 4794476), (8, 2397238), (16, 1198619), (17, 1128112), (34, 564056), (68, 282028), (136, 141014), (272, 70507)]