19455955

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 4937645

約数列:

[1, 5, 29, 109, 145, 545, 1231, 3161, 6155, 15805, 35699, 134179, 178495, 670895, 3891191, 19455955]

約数ペア:

[(1, 19455955), (5, 3891191), (29, 670895), (109, 178495), (145, 134179), (545, 35699), (1231, 15805), (3161, 6155)]