18401656

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 45390240

約数和(自身を除く): 26988584

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 49, 52, 56, 91, 92, 98, 104, 157, 161, 182, 184, 196, 299, 314, 322, 364, 392, 598, 628, 637, 644, 728, 1099, 1127, 1196, 1256, 1274, 1288, 2041, 2093, 2198, 2254, 2392, 2548, 3611, 4082, 4186, 4396, 4508, 5096, 7222, 7693, 8164, 8372, 8792, 9016, 14287, 14444, 14651, 15386, 16328, 16744, 25277, 28574, 28888, 29302, 30772, 46943, 50554, 57148, 58604, 61544, 93886, 100009, 101108, 114296, 117208, 176939, 187772, 200018, 202216, 328601, 353878, 375544, 400036, 657202, 707756, 800072, 1314404, 1415512, 2300207, 2628808, 4600414, 9200828, 18401656]

約数ペア:

[(1, 18401656), (2, 9200828), (4, 4600414), (7, 2628808), (8, 2300207), (13, 1415512), (14, 1314404), (23, 800072), (26, 707756), (28, 657202), (46, 400036), (49, 375544), (52, 353878), (56, 328601), (91, 202216), (92, 200018), (98, 187772), (104, 176939), (157, 117208), (161, 114296), (182, 101108), (184, 100009), (196, 93886), (299, 61544), (314, 58604), (322, 57148), (364, 50554), (392, 46943), (598, 30772), (628, 29302), (637, 28888), (644, 28574), (728, 25277), (1099, 16744), (1127, 16328), (1196, 15386), (1256, 14651), (1274, 14444), (1288, 14287), (2041, 9016), (2093, 8792), (2198, 8372), (2254, 8164), (2392, 7693), (2548, 7222), (3611, 5096), (4082, 4508), (4186, 4396)]