18301010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 43953840

約数和(自身を除く): 25652830

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 49, 65, 70, 85, 91, 98, 119, 130, 169, 170, 182, 221, 238, 245, 338, 442, 455, 490, 595, 637, 833, 845, 910, 1105, 1183, 1190, 1274, 1547, 1666, 1690, 2197, 2210, 2366, 2873, 3094, 3185, 4165, 4394, 5746, 5915, 6370, 7735, 8281, 8330, 10829, 10985, 11830, 14365, 15379, 15470, 16562, 20111, 21658, 21970, 28730, 30758, 37349, 40222, 41405, 54145, 74698, 76895, 82810, 100555, 107653, 108290, 140777, 153790, 186745, 201110, 215306, 261443, 281554, 373490, 522886, 538265, 703885, 1076530, 1307215, 1407770, 1830101, 2614430, 3660202, 9150505, 18301010]

約数ペア:

[(1, 18301010), (2, 9150505), (5, 3660202), (7, 2614430), (10, 1830101), (13, 1407770), (14, 1307215), (17, 1076530), (26, 703885), (34, 538265), (35, 522886), (49, 373490), (65, 281554), (70, 261443), (85, 215306), (91, 201110), (98, 186745), (119, 153790), (130, 140777), (169, 108290), (170, 107653), (182, 100555), (221, 82810), (238, 76895), (245, 74698), (338, 54145), (442, 41405), (455, 40222), (490, 37349), (595, 30758), (637, 28730), (833, 21970), (845, 21658), (910, 20111), (1105, 16562), (1183, 15470), (1190, 15379), (1274, 14365), (1547, 11830), (1666, 10985), (1690, 10829), (2197, 8330), (2210, 8281), (2366, 7735), (2873, 6370), (3094, 5915), (3185, 5746), (4165, 4394)]