19892769

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 30342144

約数和(自身を除く): 10449375

約数列:

[1, 3, 13, 23, 39, 67, 69, 201, 299, 331, 871, 897, 993, 1541, 2613, 4303, 4623, 7613, 12909, 20033, 22177, 22839, 60099, 66531, 98969, 288301, 296907, 510071, 864903, 1530213, 6630923, 19892769]

約数ペア:

[(1, 19892769), (3, 6630923), (13, 1530213), (23, 864903), (39, 510071), (67, 296907), (69, 288301), (201, 98969), (299, 66531), (331, 60099), (871, 22839), (897, 22177), (993, 20033), (1541, 12909), (2613, 7613), (4303, 4623)]