19863956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23681644

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 116, 119, 203, 238, 406, 476, 493, 812, 986, 1439, 1972, 2878, 3451, 5756, 6902, 10073, 13804, 20146, 24463, 40292, 41731, 48926, 83462, 97852, 166924, 171241, 292117, 342482, 584234, 684964, 709427, 1168468, 1418854, 2837708, 4965989, 9931978, 19863956]

約数ペア:

[(1, 19863956), (2, 9931978), (4, 4965989), (7, 2837708), (14, 1418854), (17, 1168468), (28, 709427), (29, 684964), (34, 584234), (58, 342482), (68, 292117), (116, 171241), (119, 166924), (203, 97852), (238, 83462), (406, 48926), (476, 41731), (493, 40292), (812, 24463), (986, 20146), (1439, 13804), (1972, 10073), (2878, 6902), (3451, 5756)]