18708840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1056

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 47387160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1019, 1020, 1080, 1224, 1530, 1836, 2038, 2040, 2295, 3057, 3060, 3672, 4076, 4590, 5095, 6114, 6120, 8152, 9171, 9180, 10190, 12228, 15285, 17323, 18342, 18360, 20380, 24456, 27513, 30570, 34646, 36684, 40760, 45855, 51969, 55026, 61140, 69292, 73368, 86615, 91710, 103938, 110052, 122280, 137565, 138584, 155907, 173230, 183420, 207876, 220104, 259845, 275130, 311814, 346460, 366840, 415752, 467721, 519690, 550260, 623628, 692920, 779535, 935442, 1039380, 1100520, 1247256, 1559070, 1870884, 2078760, 2338605, 3118140, 3741768, 4677210, 6236280, 9354420, 18708840]

約数ペア:

[(1, 18708840), (2, 9354420), (3, 6236280), (4, 4677210), (5, 3741768), (6, 3118140), (8, 2338605), (9, 2078760), (10, 1870884), (12, 1559070), (15, 1247256), (17, 1100520), (18, 1039380), (20, 935442), (24, 779535), (27, 692920), (30, 623628), (34, 550260), (36, 519690), (40, 467721), (45, 415752), (51, 366840), (54, 346460), (60, 311814), (68, 275130), (72, 259845), (85, 220104), (90, 207876), (102, 183420), (108, 173230), (120, 155907), (135, 138584), (136, 137565), (153, 122280), (170, 110052), (180, 103938), (204, 91710), (216, 86615), (255, 73368), (270, 69292), (306, 61140), (340, 55026), (360, 51969), (408, 45855), (459, 40760), (510, 36684), (540, 34646), (612, 30570), (680, 27513), (765, 24456), (918, 20380), (1019, 18360), (1020, 18342), (1080, 17323), (1224, 15285), (1530, 12228), (1836, 10190), (2038, 9180), (2040, 9171), (2295, 8152), (3057, 6120), (3060, 6114), (3672, 5095), (4076, 4590)]