18818404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:744

約数の個数: 36

約数和(自身を含む): 36867600

約数和(自身を除く): 18049196

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 121, 236, 242, 484, 649, 659, 1298, 1318, 2596, 2636, 7139, 7249, 14278, 14498, 28556, 28996, 38881, 77762, 79739, 155524, 159478, 318956, 427691, 855382, 1710764, 4704601, 9409202, 18818404]

約数ペア:

[(1, 18818404), (2, 9409202), (4, 4704601), (11, 1710764), (22, 855382), (44, 427691), (59, 318956), (118, 159478), (121, 155524), (236, 79739), (242, 77762), (484, 38881), (649, 28996), (659, 28556), (1298, 14498), (1318, 14278), (2596, 7249), (2636, 7139)]