19986708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1829

約数の個数: 72

約数和(自身を含む): 57136800

約数和(自身を除く): 37150092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1789, 1862, 2793, 3578, 3724, 5367, 5586, 7156, 10734, 11172, 12523, 21468, 25046, 33991, 37569, 50092, 67982, 75138, 87661, 101973, 135964, 150276, 175322, 203946, 237937, 262983, 350644, 407892, 475874, 525966, 713811, 951748, 1051932, 1427622, 1665559, 2855244, 3331118, 4996677, 6662236, 9993354, 19986708]

約数ペア:

[(1, 19986708), (2, 9993354), (3, 6662236), (4, 4996677), (6, 3331118), (7, 2855244), (12, 1665559), (14, 1427622), (19, 1051932), (21, 951748), (28, 713811), (38, 525966), (42, 475874), (49, 407892), (57, 350644), (76, 262983), (84, 237937), (98, 203946), (114, 175322), (133, 150276), (147, 135964), (196, 101973), (228, 87661), (266, 75138), (294, 67982), (399, 50092), (532, 37569), (588, 33991), (798, 25046), (931, 21468), (1596, 12523), (1789, 11172), (1862, 10734), (2793, 7156), (3578, 5586), (3724, 5367)]