19589675

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 30093312

約数和(自身を除く): 10503637

約数列:

[1, 5, 7, 23, 25, 31, 35, 115, 155, 157, 161, 175, 217, 575, 713, 775, 785, 805, 1085, 1099, 3565, 3611, 3925, 4025, 4867, 4991, 5425, 5495, 17825, 18055, 24335, 24955, 25277, 27475, 34069, 90275, 111941, 121675, 124775, 126385, 170345, 559705, 631925, 783587, 851725, 2798525, 3917935, 19589675]

約数ペア:

[(1, 19589675), (5, 3917935), (7, 2798525), (23, 851725), (25, 783587), (31, 631925), (35, 559705), (115, 170345), (155, 126385), (157, 124775), (161, 121675), (175, 111941), (217, 90275), (575, 34069), (713, 27475), (775, 25277), (785, 24955), (805, 24335), (1085, 18055), (1099, 17825), (3565, 5495), (3611, 5425), (3925, 4991), (4025, 4867)]