19599979

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 24066560

約数和(自身を除く): 4466581

約数列:

[1, 7, 23, 67, 79, 161, 469, 529, 553, 1541, 1817, 3703, 5293, 10787, 12719, 35443, 37051, 41791, 121739, 248101, 292537, 852173, 2799997, 19599979]

約数ペア:

[(1, 19599979), (7, 2799997), (23, 852173), (67, 292537), (79, 248101), (161, 121739), (469, 41791), (529, 37051), (553, 35443), (1541, 12719), (1817, 10787), (3703, 5293)]