19667280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 64629792

約数和(自身を除く): 44962512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 227, 228, 240, 285, 304, 361, 380, 454, 456, 570, 681, 722, 760, 908, 912, 1083, 1135, 1140, 1362, 1444, 1520, 1805, 1816, 2166, 2270, 2280, 2724, 2888, 3405, 3610, 3632, 4313, 4332, 4540, 4560, 5415, 5448, 5776, 6810, 7220, 8626, 8664, 9080, 10830, 10896, 12939, 13620, 14440, 17252, 17328, 18160, 21565, 21660, 25878, 27240, 28880, 34504, 43130, 43320, 51756, 54480, 64695, 69008, 81947, 86260, 86640, 103512, 129390, 163894, 172520, 207024, 245841, 258780, 327788, 345040, 409735, 491682, 517560, 655576, 819470, 983364, 1035120, 1229205, 1311152, 1638940, 1966728, 2458410, 3277880, 3933456, 4916820, 6555760, 9833640, 19667280]

約数ペア:

[(1, 19667280), (2, 9833640), (3, 6555760), (4, 4916820), (5, 3933456), (6, 3277880), (8, 2458410), (10, 1966728), (12, 1638940), (15, 1311152), (16, 1229205), (19, 1035120), (20, 983364), (24, 819470), (30, 655576), (38, 517560), (40, 491682), (48, 409735), (57, 345040), (60, 327788), (76, 258780), (80, 245841), (95, 207024), (114, 172520), (120, 163894), (152, 129390), (190, 103512), (227, 86640), (228, 86260), (240, 81947), (285, 69008), (304, 64695), (361, 54480), (380, 51756), (454, 43320), (456, 43130), (570, 34504), (681, 28880), (722, 27240), (760, 25878), (908, 21660), (912, 21565), (1083, 18160), (1135, 17328), (1140, 17252), (1362, 14440), (1444, 13620), (1520, 12939), (1805, 10896), (1816, 10830), (2166, 9080), (2270, 8664), (2280, 8626), (2724, 7220), (2888, 6810), (3405, 5776), (3610, 5448), (3632, 5415), (4313, 4560), (4332, 4540)]