18833864

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 43929600

約数和(自身を除く): 25095736

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 571, 589, 868, 1064, 1142, 1178, 1736, 2284, 2356, 3997, 4123, 4568, 4712, 7994, 8246, 10849, 15988, 16492, 17701, 21698, 31976, 32984, 35402, 43396, 70804, 75943, 86792, 123907, 141608, 151886, 247814, 303772, 336319, 495628, 607544, 672638, 991256, 1345276, 2354233, 2690552, 4708466, 9416932, 18833864]

約数ペア:

[(1, 18833864), (2, 9416932), (4, 4708466), (7, 2690552), (8, 2354233), (14, 1345276), (19, 991256), (28, 672638), (31, 607544), (38, 495628), (56, 336319), (62, 303772), (76, 247814), (124, 151886), (133, 141608), (152, 123907), (217, 86792), (248, 75943), (266, 70804), (434, 43396), (532, 35402), (571, 32984), (589, 31976), (868, 21698), (1064, 17701), (1142, 16492), (1178, 15988), (1736, 10849), (2284, 8246), (2356, 7994), (3997, 4712), (4123, 4568)]