19954935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 46545408

約数和(自身を除く): 26590473

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 143, 165, 195, 231, 273, 315, 385, 429, 443, 455, 495, 585, 693, 715, 819, 1001, 1155, 1287, 1329, 1365, 2145, 2215, 3003, 3101, 3465, 3987, 4095, 4873, 5005, 5759, 6435, 6645, 9009, 9303, 14619, 15015, 15505, 17277, 19935, 24365, 27909, 28795, 34111, 40313, 43857, 45045, 46515, 51831, 63349, 73095, 86385, 102333, 120939, 139545, 170555, 190047, 201565, 219285, 259155, 306999, 316745, 362817, 443443, 511665, 570141, 604695, 950235, 1330329, 1534995, 1814085, 2217215, 2850705, 3990987, 6651645, 19954935]

約数ペア:

[(1, 19954935), (3, 6651645), (5, 3990987), (7, 2850705), (9, 2217215), (11, 1814085), (13, 1534995), (15, 1330329), (21, 950235), (33, 604695), (35, 570141), (39, 511665), (45, 443443), (55, 362817), (63, 316745), (65, 306999), (77, 259155), (91, 219285), (99, 201565), (105, 190047), (117, 170555), (143, 139545), (165, 120939), (195, 102333), (231, 86385), (273, 73095), (315, 63349), (385, 51831), (429, 46515), (443, 45045), (455, 43857), (495, 40313), (585, 34111), (693, 28795), (715, 27909), (819, 24365), (1001, 19935), (1155, 17277), (1287, 15505), (1329, 15015), (1365, 14619), (2145, 9303), (2215, 9009), (3003, 6645), (3101, 6435), (3465, 5759), (3987, 5005), (4095, 4873)]