19091996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61987}}^1$

素因数の和:62009

約数の個数: 24

約数和(自身を含む): 41655936

約数和(自身を除く): 22563940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 61987, 123974, 247948, 433909, 681857, 867818, 1363714, 1735636, 2727428, 4772999, 9545998, 19091996]

約数ペア:

[(1, 19091996), (2, 9545998), (4, 4772999), (7, 2727428), (11, 1735636), (14, 1363714), (22, 867818), (28, 681857), (44, 433909), (77, 247948), (154, 123974), (308, 61987)]