19931562

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 51440640

約数和(自身を除く): 31509078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 787, 938, 1206, 1407, 1574, 1809, 2361, 2814, 3618, 4221, 4722, 5509, 7083, 8442, 11018, 12663, 14166, 16527, 21249, 25326, 33054, 42498, 49581, 52729, 99162, 105458, 148743, 158187, 297486, 316374, 369103, 474561, 738206, 949122, 1107309, 1423683, 2214618, 2847366, 3321927, 6643854, 9965781, 19931562]

約数ペア:

[(1, 19931562), (2, 9965781), (3, 6643854), (6, 3321927), (7, 2847366), (9, 2214618), (14, 1423683), (18, 1107309), (21, 949122), (27, 738206), (42, 474561), (54, 369103), (63, 316374), (67, 297486), (126, 158187), (134, 148743), (189, 105458), (201, 99162), (378, 52729), (402, 49581), (469, 42498), (603, 33054), (787, 25326), (938, 21249), (1206, 16527), (1407, 14166), (1574, 12663), (1809, 11018), (2361, 8442), (2814, 7083), (3618, 5509), (4221, 4722)]