201911708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 382788000

約数和(自身を除く): 180876292

約数列:

[1, 2, 4, 19, 38, 61, 76, 97, 122, 194, 244, 388, 449, 898, 1159, 1796, 1843, 2318, 3686, 4636, 5917, 7372, 8531, 11834, 17062, 23668, 27389, 34124, 43553, 54778, 87106, 109556, 112423, 174212, 224846, 449692, 520391, 827507, 1040782, 1655014, 2081564, 2656733, 3310028, 5313466, 10626932, 50477927, 100955854, 201911708]

約数ペア:

[(1, 201911708), (2, 100955854), (4, 50477927), (19, 10626932), (38, 5313466), (61, 3310028), (76, 2656733), (97, 2081564), (122, 1655014), (194, 1040782), (244, 827507), (388, 520391), (449, 449692), (898, 224846), (1159, 174212), (1796, 112423), (1843, 109556), (2318, 87106), (3686, 54778), (4636, 43553), (5917, 34124), (7372, 27389), (8531, 23668), (11834, 17062)]