219621456

素因数分解:

$2^4\times 3^6\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1036

約数の個数: 140

約数和(自身を含む): 672238720

約数和(自身を除く): 452617264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 304, 324, 342, 432, 456, 486, 513, 648, 684, 729, 912, 972, 991, 1026, 1296, 1368, 1458, 1539, 1944, 1982, 2052, 2736, 2916, 2973, 3078, 3888, 3964, 4104, 4617, 5832, 5946, 6156, 7928, 8208, 8919, 9234, 11664, 11892, 12312, 13851, 15856, 17838, 18468, 18829, 23784, 24624, 26757, 27702, 35676, 36936, 37658, 47568, 53514, 55404, 56487, 71352, 73872, 75316, 80271, 107028, 110808, 112974, 142704, 150632, 160542, 169461, 214056, 221616, 225948, 240813, 301264, 321084, 338922, 428112, 451896, 481626, 508383, 642168, 677844, 722439, 903792, 963252, 1016766, 1284336, 1355688, 1444878, 1525149, 1926504, 2033532, 2711376, 2889756, 3050298, 3853008, 4067064, 4575447, 5779512, 6100596, 8134128, 9150894, 11559024, 12201192, 13726341, 18301788, 24402384, 27452682, 36603576, 54905364, 73207152, 109810728, 219621456]

約数ペア:

[(1, 219621456), (2, 109810728), (3, 73207152), (4, 54905364), (6, 36603576), (8, 27452682), (9, 24402384), (12, 18301788), (16, 13726341), (18, 12201192), (19, 11559024), (24, 9150894), (27, 8134128), (36, 6100596), (38, 5779512), (48, 4575447), (54, 4067064), (57, 3853008), (72, 3050298), (76, 2889756), (81, 2711376), (108, 2033532), (114, 1926504), (144, 1525149), (152, 1444878), (162, 1355688), (171, 1284336), (216, 1016766), (228, 963252), (243, 903792), (304, 722439), (324, 677844), (342, 642168), (432, 508383), (456, 481626), (486, 451896), (513, 428112), (648, 338922), (684, 321084), (729, 301264), (912, 240813), (972, 225948), (991, 221616), (1026, 214056), (1296, 169461), (1368, 160542), (1458, 150632), (1539, 142704), (1944, 112974), (1982, 110808), (2052, 107028), (2736, 80271), (2916, 75316), (2973, 73872), (3078, 71352), (3888, 56487), (3964, 55404), (4104, 53514), (4617, 47568), (5832, 37658), (5946, 36936), (6156, 35676), (7928, 27702), (8208, 26757), (8919, 24624), (9234, 23784), (11664, 18829), (11892, 18468), (12312, 17838), (13851, 15856)]