19923735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1231}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 34771968

約数和(自身を除く): 14848233

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1231, 1245, 3237, 3693, 5395, 6155, 16003, 16185, 18465, 48009, 80015, 102173, 240045, 306519, 510865, 1328249, 1532595, 3984747, 6641245, 19923735]

約数ペア:

[(1, 19923735), (3, 6641245), (5, 3984747), (13, 1532595), (15, 1328249), (39, 510865), (65, 306519), (83, 240045), (195, 102173), (249, 80015), (415, 48009), (1079, 18465), (1231, 16185), (1245, 16003), (3237, 6155), (3693, 5395)]