19946661

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{947}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 12816219

約数列:

[1, 3, 7, 17, 21, 51, 59, 119, 177, 357, 413, 947, 1003, 1239, 2841, 3009, 6629, 7021, 16099, 19887, 21063, 48297, 55873, 112693, 167619, 338079, 391111, 949841, 1173333, 2849523, 6648887, 19946661]

約数ペア:

[(1, 19946661), (3, 6648887), (7, 2849523), (17, 1173333), (21, 949841), (51, 391111), (59, 338079), (119, 167619), (177, 112693), (357, 55873), (413, 48297), (947, 21063), (1003, 19887), (1239, 16099), (2841, 7021), (3009, 6629)]