19057920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{709}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 69659520

約数和(自身を除く): 50601600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 709, 768, 840, 896, 960, 1120, 1280, 1344, 1418, 1680, 1792, 1920, 2127, 2240, 2688, 2836, 3360, 3545, 3840, 4254, 4480, 4963, 5376, 5672, 6720, 7090, 8508, 8960, 9926, 10635, 11344, 13440, 14180, 14889, 17016, 19852, 21270, 22688, 24815, 26880, 28360, 29778, 34032, 39704, 42540, 45376, 49630, 56720, 59556, 68064, 74445, 79408, 85080, 90752, 99260, 113440, 119112, 136128, 148890, 158816, 170160, 181504, 198520, 226880, 238224, 272256, 297780, 317632, 340320, 397040, 453760, 476448, 544512, 595560, 635264, 680640, 794080, 907520, 952896, 1191120, 1270528, 1361280, 1588160, 1905792, 2382240, 2722560, 3176320, 3811584, 4764480, 6352640, 9528960, 19057920]

約数ペア:

[(1, 19057920), (2, 9528960), (3, 6352640), (4, 4764480), (5, 3811584), (6, 3176320), (7, 2722560), (8, 2382240), (10, 1905792), (12, 1588160), (14, 1361280), (15, 1270528), (16, 1191120), (20, 952896), (21, 907520), (24, 794080), (28, 680640), (30, 635264), (32, 595560), (35, 544512), (40, 476448), (42, 453760), (48, 397040), (56, 340320), (60, 317632), (64, 297780), (70, 272256), (80, 238224), (84, 226880), (96, 198520), (105, 181504), (112, 170160), (120, 158816), (128, 148890), (140, 136128), (160, 119112), (168, 113440), (192, 99260), (210, 90752), (224, 85080), (240, 79408), (256, 74445), (280, 68064), (320, 59556), (336, 56720), (384, 49630), (420, 45376), (448, 42540), (480, 39704), (560, 34032), (640, 29778), (672, 28360), (709, 26880), (768, 24815), (840, 22688), (896, 21270), (960, 19852), (1120, 17016), (1280, 14889), (1344, 14180), (1418, 13440), (1680, 11344), (1792, 10635), (1920, 9926), (2127, 8960), (2240, 8508), (2688, 7090), (2836, 6720), (3360, 5672), (3545, 5376), (3840, 4963), (4254, 4480)]