19974151925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2699}}^1\times {\mathrm{3253}}^1$

素因数の和:5982

約数の個数: 48

約数和(自身を含む): 30504297600

約数和(自身を除く): 10530145675

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 2699, 3253, 13495, 16265, 18893, 22771, 35087, 42289, 67475, 81325, 94465, 113855, 175435, 211445, 245609, 296023, 472325, 569275, 877175, 1057225, 1228045, 1480115, 6140225, 7400575, 8779847, 43899235, 61458929, 114138011, 219496175, 307294645, 570690055, 798966077, 1536473225, 2853450275, 3994830385, 19974151925]

約数ペア:

[(1, 19974151925), (5, 3994830385), (7, 2853450275), (13, 1536473225), (25, 798966077), (35, 570690055), (65, 307294645), (91, 219496175), (175, 114138011), (325, 61458929), (455, 43899235), (2275, 8779847), (2699, 7400575), (3253, 6140225), (13495, 1480115), (16265, 1228045), (18893, 1057225), (22771, 877175), (35087, 569275), (42289, 472325), (67475, 296023), (81325, 245609), (94465, 211445), (113855, 175435)]