18063520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 46947600

約数和(自身を除く): 28884080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 229, 232, 272, 290, 340, 458, 464, 493, 544, 580, 680, 916, 928, 986, 1145, 1160, 1360, 1832, 1972, 2290, 2320, 2465, 2720, 3664, 3893, 3944, 4580, 4640, 4930, 6641, 7328, 7786, 7888, 9160, 9860, 13282, 15572, 15776, 18320, 19465, 19720, 26564, 31144, 33205, 36640, 38930, 39440, 53128, 62288, 66410, 77860, 78880, 106256, 112897, 124576, 132820, 155720, 212512, 225794, 265640, 311440, 451588, 531280, 564485, 622880, 903176, 1062560, 1128970, 1806352, 2257940, 3612704, 4515880, 9031760, 18063520]

約数ペア:

[(1, 18063520), (2, 9031760), (4, 4515880), (5, 3612704), (8, 2257940), (10, 1806352), (16, 1128970), (17, 1062560), (20, 903176), (29, 622880), (32, 564485), (34, 531280), (40, 451588), (58, 311440), (68, 265640), (80, 225794), (85, 212512), (116, 155720), (136, 132820), (145, 124576), (160, 112897), (170, 106256), (229, 78880), (232, 77860), (272, 66410), (290, 62288), (340, 53128), (458, 39440), (464, 38930), (493, 36640), (544, 33205), (580, 31144), (680, 26564), (916, 19720), (928, 19465), (986, 18320), (1145, 15776), (1160, 15572), (1360, 13282), (1832, 9860), (1972, 9160), (2290, 7888), (2320, 7786), (2465, 7328), (2720, 6641), (3664, 4930), (3893, 4640), (3944, 4580)]