19784736

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:488

約数の個数: 120

約数和(自身を含む): 61746300

約数和(自身を除く): 41961564

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 204, 216, 272, 288, 306, 324, 408, 432, 449, 459, 544, 612, 648, 816, 864, 898, 918, 1224, 1296, 1347, 1377, 1632, 1796, 1836, 2448, 2592, 2694, 2754, 3592, 3672, 4041, 4896, 5388, 5508, 7184, 7344, 7633, 8082, 10776, 11016, 12123, 14368, 14688, 15266, 16164, 21552, 22032, 22899, 24246, 30532, 32328, 36369, 43104, 44064, 45798, 48492, 61064, 64656, 68697, 72738, 91596, 96984, 122128, 129312, 137394, 145476, 183192, 193968, 206091, 244256, 274788, 290952, 366384, 387936, 412182, 549576, 581904, 618273, 732768, 824364, 1099152, 1163808, 1236546, 1648728, 2198304, 2473092, 3297456, 4946184, 6594912, 9892368, 19784736]

約数ペア:

[(1, 19784736), (2, 9892368), (3, 6594912), (4, 4946184), (6, 3297456), (8, 2473092), (9, 2198304), (12, 1648728), (16, 1236546), (17, 1163808), (18, 1099152), (24, 824364), (27, 732768), (32, 618273), (34, 581904), (36, 549576), (48, 412182), (51, 387936), (54, 366384), (68, 290952), (72, 274788), (81, 244256), (96, 206091), (102, 193968), (108, 183192), (136, 145476), (144, 137394), (153, 129312), (162, 122128), (204, 96984), (216, 91596), (272, 72738), (288, 68697), (306, 64656), (324, 61064), (408, 48492), (432, 45798), (449, 44064), (459, 43104), (544, 36369), (612, 32328), (648, 30532), (816, 24246), (864, 22899), (898, 22032), (918, 21552), (1224, 16164), (1296, 15266), (1347, 14688), (1377, 14368), (1632, 12123), (1796, 11016), (1836, 10776), (2448, 8082), (2592, 7633), (2694, 7344), (2754, 7184), (3592, 5508), (3672, 5388), (4041, 4896)]