19698903

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6131}}^1$

素因数の和:6164

約数の個数: 32

約数和(自身を含む): 35320320

約数和(自身を除く): 15621417

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6131, 18393, 42917, 55179, 104227, 128751, 165537, 312681, 386253, 729589, 938043, 1158759, 2188767, 2814129, 6566301, 19698903]

約数ペア:

[(1, 19698903), (3, 6566301), (7, 2814129), (9, 2188767), (17, 1158759), (21, 938043), (27, 729589), (51, 386253), (63, 312681), (119, 165537), (153, 128751), (189, 104227), (357, 55179), (459, 42917), (1071, 18393), (3213, 6131)]