19639494

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3181}}^1$

素因数の和:3210

約数の個数: 48

約数和(自身を含む): 49639200

約数和(自身を除く): 29999706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3181, 6174, 6362, 9543, 19086, 22267, 28629, 44534, 57258, 66801, 133602, 155869, 200403, 311738, 400806, 467607, 935214, 1091083, 1402821, 2182166, 2805642, 3273249, 6546498, 9819747, 19639494]

約数ペア:

[(1, 19639494), (2, 9819747), (3, 6546498), (6, 3273249), (7, 2805642), (9, 2182166), (14, 1402821), (18, 1091083), (21, 935214), (42, 467607), (49, 400806), (63, 311738), (98, 200403), (126, 155869), (147, 133602), (294, 66801), (343, 57258), (441, 44534), (686, 28629), (882, 22267), (1029, 19086), (2058, 9543), (3087, 6362), (3181, 6174)]