19115538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{245071}}^1$

素因数の和:245089

約数の個数: 16

約数和(自身を含む): 41172096

約数和(自身を除く): 22056558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 245071, 490142, 735213, 1470426, 3185923, 6371846, 9557769, 19115538]

約数ペア:

[(1, 19115538), (2, 9557769), (3, 6371846), (6, 3185923), (13, 1470426), (26, 735213), (39, 490142), (78, 245071)]