16820662

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 27878400

約数和(自身を除く): 11057738

約数列:

[1, 2, 19, 31, 38, 62, 109, 131, 218, 262, 589, 1178, 2071, 2489, 3379, 4061, 4142, 4978, 6758, 8122, 14279, 28558, 64201, 77159, 128402, 154318, 271301, 442649, 542602, 885298, 8410331, 16820662]

約数ペア:

[(1, 16820662), (2, 8410331), (19, 885298), (31, 542602), (38, 442649), (62, 271301), (109, 154318), (131, 128402), (218, 77159), (262, 64201), (589, 28558), (1178, 14279), (2071, 8122), (2489, 6758), (3379, 4978), (4061, 4142)]