18740500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1069

約数の個数: 48

約数和(自身を含む): 42076944

約数和(自身を除く): 23336444

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 500, 740, 925, 1013, 1850, 2026, 3700, 4052, 4625, 5065, 9250, 10130, 18500, 20260, 25325, 37481, 50650, 74962, 101300, 126625, 149924, 187405, 253250, 374810, 506500, 749620, 937025, 1874050, 3748100, 4685125, 9370250, 18740500]

約数ペア:

[(1, 18740500), (2, 9370250), (4, 4685125), (5, 3748100), (10, 1874050), (20, 937025), (25, 749620), (37, 506500), (50, 374810), (74, 253250), (100, 187405), (125, 149924), (148, 126625), (185, 101300), (250, 74962), (370, 50650), (500, 37481), (740, 25325), (925, 20260), (1013, 18500), (1850, 10130), (2026, 9250), (3700, 5065), (4052, 4625)]