19970236208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3097121}}^1$

素因数の和:3097173

約数の個数: 40

約数和(自身を含む): 43012830336

約数和(自身を除く): 23042594128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3097121, 6194242, 12388484, 24776968, 40262573, 49553936, 80525146, 96010751, 161050292, 192021502, 322100584, 384043004, 644201168, 768086008, 1248139763, 1536172016, 2496279526, 4992559052, 9985118104, 19970236208]

約数ペア:

[(1, 19970236208), (2, 9985118104), (4, 4992559052), (8, 2496279526), (13, 1536172016), (16, 1248139763), (26, 768086008), (31, 644201168), (52, 384043004), (62, 322100584), (104, 192021502), (124, 161050292), (208, 96010751), (248, 80525146), (403, 49553936), (496, 40262573), (806, 24776968), (1612, 12388484), (3224, 6194242), (6448, 3097121)]