18752097

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 12294303

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 461, 1043, 1383, 1937, 3129, 3227, 5811, 5993, 9681, 13559, 17979, 40677, 41951, 68689, 125853, 206067, 480823, 892957, 1442469, 2678871, 6250699, 18752097]

約数ペア:

[(1, 18752097), (3, 6250699), (7, 2678871), (13, 1442469), (21, 892957), (39, 480823), (91, 206067), (149, 125853), (273, 68689), (447, 41951), (461, 40677), (1043, 17979), (1383, 13559), (1937, 9681), (3129, 5993), (3227, 5811)]