19764778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1302

約数の個数: 32

約数和(自身を含む): 35069760

約数和(自身を除く): 15304982

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1229, 1462, 2458, 8041, 13519, 16082, 20893, 27038, 41786, 52847, 105694, 229823, 459646, 581317, 898399, 1162634, 1796798, 9882389, 19764778]

約数ペア:

[(1, 19764778), (2, 9882389), (11, 1796798), (17, 1162634), (22, 898399), (34, 581317), (43, 459646), (86, 229823), (187, 105694), (374, 52847), (473, 41786), (731, 27038), (946, 20893), (1229, 16082), (1462, 13519), (2458, 8041)]