19419560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16741}}^1$

素因数の和:16781

約数の個数: 32

約数和(自身を含む): 45203400

約数和(自身を除く): 25783840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16741, 33482, 66964, 83705, 133928, 167410, 334820, 485489, 669640, 970978, 1941956, 2427445, 3883912, 4854890, 9709780, 19419560]

約数ペア:

[(1, 19419560), (2, 9709780), (4, 4854890), (5, 3883912), (8, 2427445), (10, 1941956), (20, 970978), (29, 669640), (40, 485489), (58, 334820), (116, 167410), (145, 133928), (232, 83705), (290, 66964), (580, 33482), (1160, 16741)]