19078448

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 38330880

約数和(自身を除く): 19252432

約数列:

[1, 2, 4, 8, 16, 41, 82, 127, 164, 229, 254, 328, 458, 508, 656, 916, 1016, 1832, 2032, 3664, 5207, 9389, 10414, 18778, 20828, 29083, 37556, 41656, 58166, 75112, 83312, 116332, 150224, 232664, 465328, 1192403, 2384806, 4769612, 9539224, 19078448]

約数ペア:

[(1, 19078448), (2, 9539224), (4, 4769612), (8, 2384806), (16, 1192403), (41, 465328), (82, 232664), (127, 150224), (164, 116332), (229, 83312), (254, 75112), (328, 58166), (458, 41656), (508, 37556), (656, 29083), (916, 20828), (1016, 18778), (1832, 10414), (2032, 9389), (3664, 5207)]