19933179

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12000261

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 461, 497, 609, 1383, 1491, 2059, 3227, 6177, 9681, 13369, 14413, 32731, 40107, 43239, 93583, 98193, 229117, 280749, 687351, 949199, 2847597, 6644393, 19933179]

約数ペア:

[(1, 19933179), (3, 6644393), (7, 2847597), (21, 949199), (29, 687351), (71, 280749), (87, 229117), (203, 98193), (213, 93583), (461, 43239), (497, 40107), (609, 32731), (1383, 14413), (1491, 13369), (2059, 9681), (3227, 6177)]