18733456

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9839}}^1$

素因数の和:9871

約数の個数: 40

約数和(自身を含む): 43925760

約数和(自身を除く): 25192304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 9839, 19678, 39356, 68873, 78712, 137746, 157424, 167263, 275492, 334526, 550984, 669052, 1101968, 1170841, 1338104, 2341682, 2676208, 4683364, 9366728, 18733456]

約数ペア:

[(1, 18733456), (2, 9366728), (4, 4683364), (7, 2676208), (8, 2341682), (14, 1338104), (16, 1170841), (17, 1101968), (28, 669052), (34, 550984), (56, 334526), (68, 275492), (112, 167263), (119, 157424), (136, 137746), (238, 78712), (272, 68873), (476, 39356), (952, 19678), (1904, 9839)]