15291018

素因数分解:

$2^1\times 3^5\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 34909056

約数和(自身を除く): 19618038

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 431, 438, 486, 657, 862, 1293, 1314, 1971, 2586, 3879, 3942, 5913, 7758, 11637, 11826, 17739, 23274, 31463, 34911, 35478, 62926, 69822, 94389, 104733, 188778, 209466, 283167, 566334, 849501, 1699002, 2548503, 5097006, 7645509, 15291018]

約数ペア:

[(1, 15291018), (2, 7645509), (3, 5097006), (6, 2548503), (9, 1699002), (18, 849501), (27, 566334), (54, 283167), (73, 209466), (81, 188778), (146, 104733), (162, 94389), (219, 69822), (243, 62926), (431, 35478), (438, 34911), (486, 31463), (657, 23274), (862, 17739), (1293, 11826), (1314, 11637), (1971, 7758), (2586, 5913), (3879, 3942)]