19192503

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 29325312

約数和(自身を除く): 10132809

約数列:

[1, 3, 11, 31, 33, 73, 93, 219, 257, 341, 771, 803, 1023, 2263, 2409, 2827, 6789, 7967, 8481, 18761, 23901, 24893, 56283, 74679, 87637, 206371, 262911, 581591, 619113, 1744773, 6397501, 19192503]

約数ペア:

[(1, 19192503), (3, 6397501), (11, 1744773), (31, 619113), (33, 581591), (73, 262911), (93, 206371), (219, 87637), (257, 74679), (341, 56283), (771, 24893), (803, 23901), (1023, 18761), (2263, 8481), (2409, 7967), (2827, 6789)]