19889364320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{108947}}^1$

素因数の和:109132

約数の個数: 96

約数和(自身を含む): 54031235328

約数和(自身を除く): 34141871008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 163, 224, 280, 326, 560, 652, 815, 1120, 1141, 1304, 1630, 2282, 2608, 3260, 4564, 5216, 5705, 6520, 9128, 11410, 13040, 18256, 22820, 26080, 36512, 45640, 91280, 108947, 182560, 217894, 435788, 544735, 762629, 871576, 1089470, 1525258, 1743152, 2178940, 3050516, 3486304, 3813145, 4357880, 6101032, 7626290, 8715760, 12202064, 15252580, 17431520, 17758361, 24404128, 30505160, 35516722, 61010320, 71033444, 88791805, 122020640, 124308527, 142066888, 177583610, 248617054, 284133776, 355167220, 497234108, 568267552, 621542635, 710334440, 994468216, 1243085270, 1420668880, 1988936432, 2486170540, 2841337760, 3977872864, 4972341080, 9944682160, 19889364320]

約数ペア:

[(1, 19889364320), (2, 9944682160), (4, 4972341080), (5, 3977872864), (7, 2841337760), (8, 2486170540), (10, 1988936432), (14, 1420668880), (16, 1243085270), (20, 994468216), (28, 710334440), (32, 621542635), (35, 568267552), (40, 497234108), (56, 355167220), (70, 284133776), (80, 248617054), (112, 177583610), (140, 142066888), (160, 124308527), (163, 122020640), (224, 88791805), (280, 71033444), (326, 61010320), (560, 35516722), (652, 30505160), (815, 24404128), (1120, 17758361), (1141, 17431520), (1304, 15252580), (1630, 12202064), (2282, 8715760), (2608, 7626290), (3260, 6101032), (4564, 4357880), (5216, 3813145), (5705, 3486304), (6520, 3050516), (9128, 2178940), (11410, 1743152), (13040, 1525258), (18256, 1089470), (22820, 871576), (26080, 762629), (36512, 544735), (45640, 435788), (91280, 217894), (108947, 182560)]