19907340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 61145280

約数和(自身を除く): 41237940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 673, 870, 986, 1020, 1346, 1479, 1740, 1972, 2019, 2465, 2692, 2958, 3365, 4038, 4930, 5916, 6730, 7395, 8076, 9860, 10095, 11441, 13460, 14790, 19517, 20190, 22882, 29580, 34323, 39034, 40380, 45764, 57205, 58551, 68646, 78068, 97585, 114410, 117102, 137292, 171615, 195170, 228820, 234204, 292755, 331789, 343230, 390340, 585510, 663578, 686460, 995367, 1171020, 1327156, 1658945, 1990734, 3317890, 3981468, 4976835, 6635780, 9953670, 19907340]

約数ペア:

[(1, 19907340), (2, 9953670), (3, 6635780), (4, 4976835), (5, 3981468), (6, 3317890), (10, 1990734), (12, 1658945), (15, 1327156), (17, 1171020), (20, 995367), (29, 686460), (30, 663578), (34, 585510), (51, 390340), (58, 343230), (60, 331789), (68, 292755), (85, 234204), (87, 228820), (102, 195170), (116, 171615), (145, 137292), (170, 117102), (174, 114410), (204, 97585), (255, 78068), (290, 68646), (340, 58551), (348, 57205), (435, 45764), (493, 40380), (510, 39034), (580, 34323), (673, 29580), (870, 22882), (986, 20190), (1020, 19517), (1346, 14790), (1479, 13460), (1740, 11441), (1972, 10095), (2019, 9860), (2465, 8076), (2692, 7395), (2958, 6730), (3365, 5916), (4038, 4930)]