19883523

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 32489856

約数和(自身を除く): 12606333

約数列:

[1, 3, 11, 17, 23, 33, 51, 67, 69, 187, 201, 253, 391, 529, 561, 737, 759, 1139, 1173, 1541, 1587, 2211, 3417, 4301, 4623, 5819, 8993, 12529, 12903, 16951, 17457, 26197, 26979, 35443, 37587, 50853, 78591, 98923, 106329, 288167, 296769, 389873, 602531, 864501, 1169619, 1807593, 6627841, 19883523]

約数ペア:

[(1, 19883523), (3, 6627841), (11, 1807593), (17, 1169619), (23, 864501), (33, 602531), (51, 389873), (67, 296769), (69, 288167), (187, 106329), (201, 98923), (253, 78591), (391, 50853), (529, 37587), (561, 35443), (737, 26979), (759, 26197), (1139, 17457), (1173, 16951), (1541, 12903), (1587, 12529), (2211, 8993), (3417, 5819), (4301, 4623)]