19894638

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2736

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 22239762

約数列:

[1, 2, 3, 6, 29, 43, 58, 86, 87, 129, 174, 258, 1247, 2494, 2659, 3741, 5318, 7482, 7977, 15954, 77111, 114337, 154222, 228674, 231333, 343011, 462666, 686022, 3315773, 6631546, 9947319, 19894638]

約数ペア:

[(1, 19894638), (2, 9947319), (3, 6631546), (6, 3315773), (29, 686022), (43, 462666), (58, 343011), (86, 231333), (87, 228674), (129, 154222), (174, 114337), (258, 77111), (1247, 15954), (2494, 7977), (2659, 7482), (3741, 5318)]