18329990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8447}}^1$

素因数の和:8492

約数の個数: 32

約数和(自身を含む): 38928384

約数和(自身を除く): 20598394

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8447, 16894, 42235, 59129, 84470, 118258, 261857, 295645, 523714, 591290, 1309285, 1832999, 2618570, 3665998, 9164995, 18329990]

約数ペア:

[(1, 18329990), (2, 9164995), (5, 3665998), (7, 2618570), (10, 1832999), (14, 1309285), (31, 591290), (35, 523714), (62, 295645), (70, 261857), (155, 118258), (217, 84470), (310, 59129), (434, 42235), (1085, 16894), (2170, 8447)]