18421300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4493}}^1$

素因数の和:4548

約数の個数: 36

約数和(自身を含む): 40958316

約数和(自身を除く): 22537016

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 4493, 8986, 17972, 22465, 44930, 89860, 112325, 184213, 224650, 368426, 449300, 736852, 921065, 1842130, 3684260, 4605325, 9210650, 18421300]

約数ペア:

[(1, 18421300), (2, 9210650), (4, 4605325), (5, 3684260), (10, 1842130), (20, 921065), (25, 736852), (41, 449300), (50, 368426), (82, 224650), (100, 184213), (164, 112325), (205, 89860), (410, 44930), (820, 22465), (1025, 17972), (2050, 8986), (4100, 4493)]