19479005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 29718528

約数和(自身を除く): 10239523

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1381, 2015, 2821, 6905, 9667, 14105, 17953, 42811, 48335, 89765, 125671, 214055, 299677, 556543, 628355, 1498385, 2782715, 3895801, 19479005]

約数ペア:

[(1, 19479005), (5, 3895801), (7, 2782715), (13, 1498385), (31, 628355), (35, 556543), (65, 299677), (91, 214055), (155, 125671), (217, 89765), (403, 48335), (455, 42811), (1085, 17953), (1381, 14105), (2015, 9667), (2821, 6905)]