2018243655

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 3951763200

約数和(自身を除く): 1933519545

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 85, 89, 123, 135, 153, 205, 241, 255, 267, 369, 445, 459, 615, 697, 723, 765, 801, 1107, 1205, 1335, 1513, 1845, 2091, 2169, 2295, 2403, 3485, 3615, 3649, 4005, 4097, 4539, 5535, 6273, 6507, 7565, 9881, 10455, 10845, 10947, 12015, 12291, 13617, 18245, 18819, 20485, 21449, 22695, 29643, 31365, 32535, 32841, 36873, 40851, 49405, 54735, 61455, 62033, 64347, 68085, 88929, 94095, 98523, 107245, 110619, 148215, 164205, 167977, 184365, 186099, 193041, 204255, 266787, 310165, 321735, 364633, 444645, 492615, 503931, 553095, 558297, 579123, 839885, 879409, 930495, 965205, 1093899, 1333935, 1511793, 1674891, 1823165, 2519655, 2638227, 2791485, 2895615, 3281697, 4397045, 4535379, 5469495, 7558965, 7914681, 8374455, 9845091, 13191135, 14949953, 16408485, 22676895, 23744043, 39573405, 44849859, 49225455, 74749765, 118720215, 134549577, 224249295, 403648731, 672747885, 2018243655]

約数ペア:

[(1, 2018243655), (3, 672747885), (5, 403648731), (9, 224249295), (15, 134549577), (17, 118720215), (27, 74749765), (41, 49225455), (45, 44849859), (51, 39573405), (85, 23744043), (89, 22676895), (123, 16408485), (135, 14949953), (153, 13191135), (205, 9845091), (241, 8374455), (255, 7914681), (267, 7558965), (369, 5469495), (445, 4535379), (459, 4397045), (615, 3281697), (697, 2895615), (723, 2791485), (765, 2638227), (801, 2519655), (1107, 1823165), (1205, 1674891), (1335, 1511793), (1513, 1333935), (1845, 1093899), (2091, 965205), (2169, 930495), (2295, 879409), (2403, 839885), (3485, 579123), (3615, 558297), (3649, 553095), (4005, 503931), (4097, 492615), (4539, 444645), (5535, 364633), (6273, 321735), (6507, 310165), (7565, 266787), (9881, 204255), (10455, 193041), (10845, 186099), (10947, 184365), (12015, 167977), (12291, 164205), (13617, 148215), (18245, 110619), (18819, 107245), (20485, 98523), (21449, 94095), (22695, 88929), (29643, 68085), (31365, 64347), (32535, 62033), (32841, 61455), (36873, 54735), (40851, 49405)]