16979958

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 39124800

約数和(自身を除く): 22144842

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 131, 171, 262, 342, 379, 393, 758, 786, 1137, 1179, 2274, 2358, 2489, 3411, 4978, 6822, 7201, 7467, 14402, 14934, 21603, 22401, 43206, 44802, 49649, 64809, 99298, 129618, 148947, 297894, 446841, 893682, 943331, 1886662, 2829993, 5659986, 8489979, 16979958]

約数ペア:

[(1, 16979958), (2, 8489979), (3, 5659986), (6, 2829993), (9, 1886662), (18, 943331), (19, 893682), (38, 446841), (57, 297894), (114, 148947), (131, 129618), (171, 99298), (262, 64809), (342, 49649), (379, 44802), (393, 43206), (758, 22401), (786, 21603), (1137, 14934), (1179, 14402), (2274, 7467), (2358, 7201), (2489, 6822), (3411, 4978)]