19949472

素因数分解:

$2^5\times 3^2\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:742

約数の個数: 72

約数和(自身を含む): 57326724

約数和(自身を除く): 37377252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 113, 144, 226, 288, 339, 452, 613, 678, 904, 1017, 1226, 1356, 1808, 1839, 2034, 2452, 2712, 3616, 3678, 4068, 4904, 5424, 5517, 7356, 8136, 9808, 10848, 11034, 14712, 16272, 19616, 22068, 29424, 32544, 44136, 58848, 69269, 88272, 138538, 176544, 207807, 277076, 415614, 554152, 623421, 831228, 1108304, 1246842, 1662456, 2216608, 2493684, 3324912, 4987368, 6649824, 9974736, 19949472]

約数ペア:

[(1, 19949472), (2, 9974736), (3, 6649824), (4, 4987368), (6, 3324912), (8, 2493684), (9, 2216608), (12, 1662456), (16, 1246842), (18, 1108304), (24, 831228), (32, 623421), (36, 554152), (48, 415614), (72, 277076), (96, 207807), (113, 176544), (144, 138538), (226, 88272), (288, 69269), (339, 58848), (452, 44136), (613, 32544), (678, 29424), (904, 22068), (1017, 19616), (1226, 16272), (1356, 14712), (1808, 11034), (1839, 10848), (2034, 9808), (2452, 8136), (2712, 7356), (3616, 5517), (3678, 5424), (4068, 4904)]