19208810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 38761416

約数和(自身を除く): 19552606

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 313, 323, 361, 626, 646, 722, 1565, 1615, 1805, 3130, 3230, 3610, 5321, 5947, 6137, 10642, 11894, 12274, 26605, 29735, 30685, 53210, 59470, 61370, 101099, 112993, 202198, 225986, 505495, 564965, 1010990, 1129930, 1920881, 3841762, 9604405, 19208810]

約数ペア:

[(1, 19208810), (2, 9604405), (5, 3841762), (10, 1920881), (17, 1129930), (19, 1010990), (34, 564965), (38, 505495), (85, 225986), (95, 202198), (170, 112993), (190, 101099), (313, 61370), (323, 59470), (361, 53210), (626, 30685), (646, 29735), (722, 26605), (1565, 12274), (1615, 11894), (1805, 10642), (3130, 6137), (3230, 5947), (3610, 5321)]