19664442

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 48971520

約数和(自身を除く): 29307078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 239, 478, 653, 717, 1306, 1434, 1673, 1959, 2151, 3346, 3918, 4302, 4571, 5019, 5877, 9142, 10038, 11754, 13713, 15057, 27426, 30114, 41139, 82278, 156067, 312134, 468201, 936402, 1092469, 1404603, 2184938, 2809206, 3277407, 6554814, 9832221, 19664442]

約数ペア:

[(1, 19664442), (2, 9832221), (3, 6554814), (6, 3277407), (7, 2809206), (9, 2184938), (14, 1404603), (18, 1092469), (21, 936402), (42, 468201), (63, 312134), (126, 156067), (239, 82278), (478, 41139), (653, 30114), (717, 27426), (1306, 15057), (1434, 13713), (1673, 11754), (1959, 10038), (2151, 9142), (3346, 5877), (3918, 5019), (4302, 4571)]