18700255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 27713664

約数和(自身を除く): 9013409

約数列:

[1, 5, 7, 17, 35, 53, 85, 119, 265, 371, 593, 595, 901, 1855, 2965, 4151, 4505, 6307, 10081, 20755, 31429, 31535, 50405, 70567, 157145, 220003, 352835, 534293, 1100015, 2671465, 3740051, 18700255]

約数ペア:

[(1, 18700255), (5, 3740051), (7, 2671465), (17, 1100015), (35, 534293), (53, 352835), (85, 220003), (119, 157145), (265, 70567), (371, 50405), (593, 31535), (595, 31429), (901, 20755), (1855, 10081), (2965, 6307), (4151, 4505)]