19756952

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 18681448

約数列:

[1, 2, 4, 8, 43, 79, 86, 158, 172, 316, 344, 632, 727, 1454, 2908, 3397, 5816, 6794, 13588, 27176, 31261, 57433, 62522, 114866, 125044, 229732, 250088, 459464, 2469619, 4939238, 9878476, 19756952]

約数ペア:

[(1, 19756952), (2, 9878476), (4, 4939238), (8, 2469619), (43, 459464), (79, 250088), (86, 229732), (158, 125044), (172, 114866), (316, 62522), (344, 57433), (632, 31261), (727, 27176), (1454, 13588), (2908, 6794), (3397, 5816)]