19643715

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 120

約数和(自身を含む): 44640288

約数和(自身を除く): 24996573

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 41, 45, 63, 65, 81, 91, 105, 117, 123, 135, 169, 189, 195, 205, 273, 287, 315, 351, 369, 405, 455, 507, 533, 567, 585, 615, 819, 845, 861, 945, 1053, 1107, 1183, 1365, 1435, 1521, 1599, 1755, 1845, 2457, 2535, 2583, 2665, 2835, 3321, 3549, 3731, 4095, 4305, 4563, 4797, 5265, 5535, 5915, 6929, 7371, 7605, 7749, 7995, 10647, 11193, 12285, 12915, 13689, 14391, 16605, 17745, 18655, 20787, 22815, 23247, 23985, 31941, 33579, 34645, 36855, 38745, 43173, 48503, 53235, 55965, 62361, 68445, 71955, 95823, 100737, 103935, 116235, 145509, 159705, 167895, 187083, 215865, 242515, 302211, 311805, 436527, 479115, 503685, 561249, 727545, 935415, 1309581, 1511055, 2182635, 2806245, 3928743, 6547905, 19643715]

約数ペア:

[(1, 19643715), (3, 6547905), (5, 3928743), (7, 2806245), (9, 2182635), (13, 1511055), (15, 1309581), (21, 935415), (27, 727545), (35, 561249), (39, 503685), (41, 479115), (45, 436527), (63, 311805), (65, 302211), (81, 242515), (91, 215865), (105, 187083), (117, 167895), (123, 159705), (135, 145509), (169, 116235), (189, 103935), (195, 100737), (205, 95823), (273, 71955), (287, 68445), (315, 62361), (351, 55965), (369, 53235), (405, 48503), (455, 43173), (507, 38745), (533, 36855), (567, 34645), (585, 33579), (615, 31941), (819, 23985), (845, 23247), (861, 22815), (945, 20787), (1053, 18655), (1107, 17745), (1183, 16605), (1365, 14391), (1435, 13689), (1521, 12915), (1599, 12285), (1755, 11193), (1845, 10647), (2457, 7995), (2535, 7749), (2583, 7605), (2665, 7371), (2835, 6929), (3321, 5915), (3549, 5535), (3731, 5265), (4095, 4797), (4305, 4563)]