18901260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2143}}^1$

素因数の和:2172

約数の個数: 108

約数和(自身を含む): 66725568

約数和(自身を除く): 47824308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2143, 2205, 2940, 4286, 4410, 6429, 8572, 8820, 10715, 12858, 15001, 19287, 21430, 25716, 30002, 32145, 38574, 42860, 45003, 60004, 64290, 75005, 77148, 90006, 96435, 105007, 128580, 135009, 150010, 180012, 192870, 210014, 225015, 270018, 300020, 315021, 385740, 420028, 450030, 525035, 540036, 630042, 675045, 900060, 945063, 1050070, 1260084, 1350090, 1575105, 1890126, 2100140, 2700180, 3150210, 3780252, 4725315, 6300420, 9450630, 18901260]

約数ペア:

[(1, 18901260), (2, 9450630), (3, 6300420), (4, 4725315), (5, 3780252), (6, 3150210), (7, 2700180), (9, 2100140), (10, 1890126), (12, 1575105), (14, 1350090), (15, 1260084), (18, 1050070), (20, 945063), (21, 900060), (28, 675045), (30, 630042), (35, 540036), (36, 525035), (42, 450030), (45, 420028), (49, 385740), (60, 315021), (63, 300020), (70, 270018), (84, 225015), (90, 210014), (98, 192870), (105, 180012), (126, 150010), (140, 135009), (147, 128580), (180, 105007), (196, 96435), (210, 90006), (245, 77148), (252, 75005), (294, 64290), (315, 60004), (420, 45003), (441, 42860), (490, 38574), (588, 32145), (630, 30002), (735, 25716), (882, 21430), (980, 19287), (1260, 15001), (1470, 12858), (1764, 10715), (2143, 8820), (2205, 8572), (2940, 6429), (4286, 4410)]