18694480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 53434080

約数和(自身を除く): 34739600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 251, 266, 280, 304, 380, 392, 490, 502, 532, 560, 665, 760, 784, 931, 980, 1004, 1064, 1255, 1330, 1520, 1757, 1862, 1960, 2008, 2128, 2510, 2660, 3514, 3724, 3920, 4016, 4655, 4769, 5020, 5320, 7028, 7448, 8785, 9310, 9538, 10040, 10640, 12299, 14056, 14896, 17570, 18620, 19076, 20080, 23845, 24598, 28112, 33383, 35140, 37240, 38152, 47690, 49196, 61495, 66766, 70280, 74480, 76304, 95380, 98392, 122990, 133532, 140560, 166915, 190760, 196784, 233681, 245980, 267064, 333830, 381520, 467362, 491960, 534128, 667660, 934724, 983920, 1168405, 1335320, 1869448, 2336810, 2670640, 3738896, 4673620, 9347240, 18694480]

約数ペア:

[(1, 18694480), (2, 9347240), (4, 4673620), (5, 3738896), (7, 2670640), (8, 2336810), (10, 1869448), (14, 1335320), (16, 1168405), (19, 983920), (20, 934724), (28, 667660), (35, 534128), (38, 491960), (40, 467362), (49, 381520), (56, 333830), (70, 267064), (76, 245980), (80, 233681), (95, 196784), (98, 190760), (112, 166915), (133, 140560), (140, 133532), (152, 122990), (190, 98392), (196, 95380), (245, 76304), (251, 74480), (266, 70280), (280, 66766), (304, 61495), (380, 49196), (392, 47690), (490, 38152), (502, 37240), (532, 35140), (560, 33383), (665, 28112), (760, 24598), (784, 23845), (931, 20080), (980, 19076), (1004, 18620), (1064, 17570), (1255, 14896), (1330, 14056), (1520, 12299), (1757, 10640), (1862, 10040), (1960, 9538), (2008, 9310), (2128, 8785), (2510, 7448), (2660, 7028), (3514, 5320), (3724, 5020), (3920, 4769), (4016, 4655)]