19121280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 63745920

約数和(自身を除く): 44624640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 433, 460, 480, 552, 640, 690, 736, 866, 920, 960, 1104, 1299, 1380, 1472, 1732, 1840, 1920, 2165, 2208, 2598, 2760, 2944, 3464, 3680, 4330, 4416, 5196, 5520, 6495, 6928, 7360, 8660, 8832, 9959, 10392, 11040, 12990, 13856, 14720, 17320, 19918, 20784, 22080, 25980, 27712, 29877, 34640, 39836, 41568, 44160, 49795, 51960, 55424, 59754, 69280, 79672, 83136, 99590, 103920, 119508, 138560, 149385, 159344, 166272, 199180, 207840, 239016, 277120, 298770, 318688, 398360, 415680, 478032, 597540, 637376, 796720, 831360, 956064, 1195080, 1274752, 1593440, 1912128, 2390160, 3186880, 3824256, 4780320, 6373760, 9560640, 19121280]

約数ペア:

[(1, 19121280), (2, 9560640), (3, 6373760), (4, 4780320), (5, 3824256), (6, 3186880), (8, 2390160), (10, 1912128), (12, 1593440), (15, 1274752), (16, 1195080), (20, 956064), (23, 831360), (24, 796720), (30, 637376), (32, 597540), (40, 478032), (46, 415680), (48, 398360), (60, 318688), (64, 298770), (69, 277120), (80, 239016), (92, 207840), (96, 199180), (115, 166272), (120, 159344), (128, 149385), (138, 138560), (160, 119508), (184, 103920), (192, 99590), (230, 83136), (240, 79672), (276, 69280), (320, 59754), (345, 55424), (368, 51960), (384, 49795), (433, 44160), (460, 41568), (480, 39836), (552, 34640), (640, 29877), (690, 27712), (736, 25980), (866, 22080), (920, 20784), (960, 19918), (1104, 17320), (1299, 14720), (1380, 13856), (1472, 12990), (1732, 11040), (1840, 10392), (1920, 9959), (2165, 8832), (2208, 8660), (2598, 7360), (2760, 6928), (2944, 6495), (3464, 5520), (3680, 5196), (4330, 4416)]