19930995

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 43338240

約数和(自身を除く): 23407245

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 49, 63, 69, 105, 115, 131, 135, 147, 161, 189, 207, 245, 315, 345, 393, 441, 483, 621, 655, 735, 805, 917, 945, 1035, 1127, 1179, 1323, 1449, 1965, 2205, 2415, 2751, 3013, 3105, 3381, 3537, 4347, 4585, 5635, 5895, 6419, 6615, 7245, 8253, 9039, 10143, 13755, 15065, 16905, 17685, 19257, 21091, 21735, 24759, 27117, 30429, 32095, 41265, 45195, 50715, 57771, 63273, 81351, 96285, 105455, 123795, 135585, 147637, 152145, 173313, 189819, 288855, 316365, 406755, 442911, 569457, 738185, 866565, 949095, 1328733, 2214555, 2847285, 3986199, 6643665, 19930995]

約数ペア:

[(1, 19930995), (3, 6643665), (5, 3986199), (7, 2847285), (9, 2214555), (15, 1328733), (21, 949095), (23, 866565), (27, 738185), (35, 569457), (45, 442911), (49, 406755), (63, 316365), (69, 288855), (105, 189819), (115, 173313), (131, 152145), (135, 147637), (147, 135585), (161, 123795), (189, 105455), (207, 96285), (245, 81351), (315, 63273), (345, 57771), (393, 50715), (441, 45195), (483, 41265), (621, 32095), (655, 30429), (735, 27117), (805, 24759), (917, 21735), (945, 21091), (1035, 19257), (1127, 17685), (1179, 16905), (1323, 15065), (1449, 13755), (1965, 10143), (2205, 9039), (2415, 8253), (2751, 7245), (3013, 6615), (3105, 6419), (3381, 5895), (3537, 5635), (4347, 4585)]