18847980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104711}}^1$

素因数の和:104726

約数の個数: 36

約数和(自身を含む): 57172752

約数和(自身を除く): 38324772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104711, 209422, 314133, 418844, 523555, 628266, 942399, 1047110, 1256532, 1570665, 1884798, 2094220, 3141330, 3769596, 4711995, 6282660, 9423990, 18847980]

約数ペア:

[(1, 18847980), (2, 9423990), (3, 6282660), (4, 4711995), (5, 3769596), (6, 3141330), (9, 2094220), (10, 1884798), (12, 1570665), (15, 1256532), (18, 1047110), (20, 942399), (30, 628266), (36, 523555), (45, 418844), (60, 314133), (90, 209422), (180, 104711)]