18019334450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{7121}}^1$

素因数の和:7392

約数の個数: 96

約数和(自身を含む): 38389574160

約数和(自身を除く): 20370239710

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 229, 325, 425, 442, 458, 650, 850, 1105, 1145, 2210, 2290, 2977, 3893, 5525, 5725, 5954, 7121, 7786, 11050, 11450, 14242, 14885, 19465, 29770, 35605, 38930, 50609, 71210, 74425, 92573, 97325, 101218, 121057, 148850, 178025, 185146, 194650, 242114, 253045, 356050, 462865, 506090, 605285, 925730, 1210570, 1265225, 1573741, 1630709, 2314325, 2530450, 3026425, 3147482, 3261418, 4628650, 6052850, 7868705, 8153545, 15737410, 16307090, 21199217, 27722053, 39343525, 40767725, 42398434, 55444106, 78687050, 81535450, 105996085, 138610265, 211992170, 277220530, 360386689, 529980425, 693051325, 720773378, 1059960850, 1386102650, 1801933445, 3603866890, 9009667225, 18019334450]

約数ペア:

[(1, 18019334450), (2, 9009667225), (5, 3603866890), (10, 1801933445), (13, 1386102650), (17, 1059960850), (25, 720773378), (26, 693051325), (34, 529980425), (50, 360386689), (65, 277220530), (85, 211992170), (130, 138610265), (170, 105996085), (221, 81535450), (229, 78687050), (325, 55444106), (425, 42398434), (442, 40767725), (458, 39343525), (650, 27722053), (850, 21199217), (1105, 16307090), (1145, 15737410), (2210, 8153545), (2290, 7868705), (2977, 6052850), (3893, 4628650), (5525, 3261418), (5725, 3147482), (5954, 3026425), (7121, 2530450), (7786, 2314325), (11050, 1630709), (11450, 1573741), (14242, 1265225), (14885, 1210570), (19465, 925730), (29770, 605285), (35605, 506090), (38930, 462865), (50609, 356050), (71210, 253045), (74425, 242114), (92573, 194650), (97325, 185146), (101218, 178025), (121057, 148850)]