18995760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3769}}^1$

素因数の和:3795

約数の個数: 120

約数和(自身を含む): 72926880

約数和(自身を除く): 53931120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3769, 5040, 7538, 11307, 15076, 18845, 22614, 26383, 30152, 33921, 37690, 45228, 52766, 56535, 60304, 67842, 75380, 79149, 90456, 105532, 113070, 131915, 135684, 150760, 158298, 169605, 180912, 211064, 226140, 237447, 263830, 271368, 301520, 316596, 339210, 395745, 422128, 452280, 474894, 527660, 542736, 633192, 678420, 791490, 904560, 949788, 1055320, 1187235, 1266384, 1356840, 1582980, 1899576, 2110640, 2374470, 2713680, 3165960, 3799152, 4748940, 6331920, 9497880, 18995760]

約数ペア:

[(1, 18995760), (2, 9497880), (3, 6331920), (4, 4748940), (5, 3799152), (6, 3165960), (7, 2713680), (8, 2374470), (9, 2110640), (10, 1899576), (12, 1582980), (14, 1356840), (15, 1266384), (16, 1187235), (18, 1055320), (20, 949788), (21, 904560), (24, 791490), (28, 678420), (30, 633192), (35, 542736), (36, 527660), (40, 474894), (42, 452280), (45, 422128), (48, 395745), (56, 339210), (60, 316596), (63, 301520), (70, 271368), (72, 263830), (80, 237447), (84, 226140), (90, 211064), (105, 180912), (112, 169605), (120, 158298), (126, 150760), (140, 135684), (144, 131915), (168, 113070), (180, 105532), (210, 90456), (240, 79149), (252, 75380), (280, 67842), (315, 60304), (336, 56535), (360, 52766), (420, 45228), (504, 37690), (560, 33921), (630, 30152), (720, 26383), (840, 22614), (1008, 18845), (1260, 15076), (1680, 11307), (2520, 7538), (3769, 5040)]