19212120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17789}}^1$

素因数の和:17809

約数の個数: 64

約数和(自身を含む): 64044000

約数和(自身を除く): 44831880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17789, 35578, 53367, 71156, 88945, 106734, 142312, 160101, 177890, 213468, 266835, 320202, 355780, 426936, 480303, 533670, 640404, 711560, 800505, 960606, 1067340, 1280808, 1601010, 1921212, 2134680, 2401515, 3202020, 3842424, 4803030, 6404040, 9606060, 19212120]

約数ペア:

[(1, 19212120), (2, 9606060), (3, 6404040), (4, 4803030), (5, 3842424), (6, 3202020), (8, 2401515), (9, 2134680), (10, 1921212), (12, 1601010), (15, 1280808), (18, 1067340), (20, 960606), (24, 800505), (27, 711560), (30, 640404), (36, 533670), (40, 480303), (45, 426936), (54, 355780), (60, 320202), (72, 266835), (90, 213468), (108, 177890), (120, 160101), (135, 142312), (180, 106734), (216, 88945), (270, 71156), (360, 53367), (540, 35578), (1080, 17789)]