19881802

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{6553}}^1$

素因数の和:6633

約数の個数: 16

約数和(自身を含む): 31380552

約数和(自身を除く): 11498750

約数列:

[1, 2, 37, 41, 74, 82, 1517, 3034, 6553, 13106, 242461, 268673, 484922, 537346, 9940901, 19881802]

約数ペア:

[(1, 19881802), (2, 9940901), (37, 537346), (41, 484922), (74, 268673), (82, 242461), (1517, 13106), (3034, 6553)]