18936180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11689}}^1$

素因数の和:11710

約数の個数: 60

約数和(自身を含む): 59408580

約数和(自身を除く): 40472400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11689, 23378, 35067, 46756, 58445, 70134, 105201, 116890, 140268, 175335, 210402, 233780, 315603, 350670, 420804, 526005, 631206, 701340, 946809, 1052010, 1262412, 1578015, 1893618, 2104020, 3156030, 3787236, 4734045, 6312060, 9468090, 18936180]

約数ペア:

[(1, 18936180), (2, 9468090), (3, 6312060), (4, 4734045), (5, 3787236), (6, 3156030), (9, 2104020), (10, 1893618), (12, 1578015), (15, 1262412), (18, 1052010), (20, 946809), (27, 701340), (30, 631206), (36, 526005), (45, 420804), (54, 350670), (60, 315603), (81, 233780), (90, 210402), (108, 175335), (135, 140268), (162, 116890), (180, 105201), (270, 70134), (324, 58445), (405, 46756), (540, 35067), (810, 23378), (1620, 11689)]