19857636675

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{55823}}^1$

素因数の和:55890

約数の個数: 96

約数和(自身を含む): 39871733760

約数和(自身を除く): 20014097085

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 31, 45, 51, 75, 85, 93, 135, 153, 155, 225, 255, 279, 425, 459, 465, 527, 675, 765, 775, 837, 1275, 1395, 1581, 2295, 2325, 2635, 3825, 4185, 4743, 6975, 7905, 11475, 13175, 14229, 20925, 23715, 39525, 55823, 71145, 118575, 167469, 279115, 355725, 502407, 837345, 948991, 1395575, 1507221, 1730513, 2512035, 2846973, 4186725, 4744955, 5191539, 7536105, 8540919, 8652565, 12560175, 14234865, 15574617, 23724775, 25622757, 25957695, 29418721, 37680525, 42704595, 43262825, 46723851, 71174325, 77873085, 88256163, 128113785, 129788475, 147093605, 213522975, 233619255, 264768489, 389365425, 441280815, 640568925, 735468025, 794305467, 1168096275, 1323842445, 2206404075, 3971527335, 6619212225, 19857636675]

約数ペア:

[(1, 19857636675), (3, 6619212225), (5, 3971527335), (9, 2206404075), (15, 1323842445), (17, 1168096275), (25, 794305467), (27, 735468025), (31, 640568925), (45, 441280815), (51, 389365425), (75, 264768489), (85, 233619255), (93, 213522975), (135, 147093605), (153, 129788475), (155, 128113785), (225, 88256163), (255, 77873085), (279, 71174325), (425, 46723851), (459, 43262825), (465, 42704595), (527, 37680525), (675, 29418721), (765, 25957695), (775, 25622757), (837, 23724775), (1275, 15574617), (1395, 14234865), (1581, 12560175), (2295, 8652565), (2325, 8540919), (2635, 7536105), (3825, 5191539), (4185, 4744955), (4743, 4186725), (6975, 2846973), (7905, 2512035), (11475, 1730513), (13175, 1507221), (14229, 1395575), (20925, 948991), (23715, 837345), (39525, 502407), (55823, 355725), (71145, 279115), (118575, 167469)]