18677718

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^2\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 36

約数和(自身を含む): 41240628

約数和(自身を除く): 22562910

約数列:

[1, 2, 3, 6, 9, 18, 89, 131, 178, 262, 267, 393, 534, 786, 801, 1179, 1602, 2358, 7921, 11659, 15842, 23318, 23763, 34977, 47526, 69954, 71289, 104931, 142578, 209862, 1037651, 2075302, 3112953, 6225906, 9338859, 18677718]

約数ペア:

[(1, 18677718), (2, 9338859), (3, 6225906), (6, 3112953), (9, 2075302), (18, 1037651), (89, 209862), (131, 142578), (178, 104931), (262, 71289), (267, 69954), (393, 47526), (534, 34977), (786, 23763), (801, 23318), (1179, 15842), (1602, 11659), (2358, 7921)]