19193955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 34069248

約数和(自身を除く): 14875293

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 1907, 2013, 3355, 5721, 9535, 10065, 20977, 28605, 62931, 104885, 116327, 314655, 348981, 581635, 1279597, 1744905, 3838791, 6397985, 19193955]

約数ペア:

[(1, 19193955), (3, 6397985), (5, 3838791), (11, 1744905), (15, 1279597), (33, 581635), (55, 348981), (61, 314655), (165, 116327), (183, 104885), (305, 62931), (671, 28605), (915, 20977), (1907, 10065), (2013, 9535), (3355, 5721)]