19786844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3779}}^1$

素因数の和:3818

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25936036

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3779, 5236, 7558, 15116, 26453, 41569, 52906, 64243, 83138, 105812, 128486, 166276, 256972, 290983, 449701, 581966, 706673, 899402, 1163932, 1413346, 1798804, 2826692, 4946711, 9893422, 19786844]

約数ペア:

[(1, 19786844), (2, 9893422), (4, 4946711), (7, 2826692), (11, 1798804), (14, 1413346), (17, 1163932), (22, 899402), (28, 706673), (34, 581966), (44, 449701), (68, 290983), (77, 256972), (119, 166276), (154, 128486), (187, 105812), (238, 83138), (308, 64243), (374, 52906), (476, 41569), (748, 26453), (1309, 15116), (2618, 7558), (3779, 5236)]