19801204192

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1148029}}^1$

素因数の和:1148064

約数の個数: 72

約数和(自身を含む): 49470908760

約数和(自身を除く): 29669704568

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1232, 1568, 2156, 2464, 4312, 8624, 17248, 1148029, 2296058, 4592116, 8036203, 9184232, 12628319, 16072406, 18368464, 25256638, 32144812, 36736928, 50513276, 56253421, 64289624, 88398233, 101026552, 112506842, 128579248, 176796466, 202053104, 225013684, 257158496, 353592932, 404106208, 450027368, 618787631, 707185864, 900054736, 1237575262, 1414371728, 1800109472, 2475150524, 2828743456, 4950301048, 9900602096, 19801204192]

約数ペア:

[(1, 19801204192), (2, 9900602096), (4, 4950301048), (7, 2828743456), (8, 2475150524), (11, 1800109472), (14, 1414371728), (16, 1237575262), (22, 900054736), (28, 707185864), (32, 618787631), (44, 450027368), (49, 404106208), (56, 353592932), (77, 257158496), (88, 225013684), (98, 202053104), (112, 176796466), (154, 128579248), (176, 112506842), (196, 101026552), (224, 88398233), (308, 64289624), (352, 56253421), (392, 50513276), (539, 36736928), (616, 32144812), (784, 25256638), (1078, 18368464), (1232, 16072406), (1568, 12628319), (2156, 9184232), (2464, 8036203), (4312, 4592116), (8624, 2296058), (17248, 1148029)]