19528528

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 39015360

約数和(自身を除く): 19486832

約数列:

[1, 2, 4, 8, 16, 59, 118, 137, 151, 236, 274, 302, 472, 548, 604, 944, 1096, 1208, 2192, 2416, 8083, 8909, 16166, 17818, 20687, 32332, 35636, 41374, 64664, 71272, 82748, 129328, 142544, 165496, 330992, 1220533, 2441066, 4882132, 9764264, 19528528]

約数ペア:

[(1, 19528528), (2, 9764264), (4, 4882132), (8, 2441066), (16, 1220533), (59, 330992), (118, 165496), (137, 142544), (151, 129328), (236, 82748), (274, 71272), (302, 64664), (472, 41374), (548, 35636), (604, 32332), (944, 20687), (1096, 17818), (1208, 16166), (2192, 8909), (2416, 8083)]