19219968

素因数分解:

$2^9\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 120

約数和(自身を含む): 57345288

約数和(自身を除く): 38125320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 97, 128, 129, 144, 172, 192, 194, 256, 258, 288, 291, 344, 384, 387, 388, 512, 516, 576, 582, 688, 768, 774, 776, 873, 1032, 1152, 1164, 1376, 1536, 1548, 1552, 1746, 2064, 2304, 2328, 2752, 3096, 3104, 3492, 4128, 4171, 4608, 4656, 5504, 6192, 6208, 6984, 8256, 8342, 9312, 11008, 12384, 12416, 12513, 13968, 16512, 16684, 18624, 22016, 24768, 24832, 25026, 27936, 33024, 33368, 37248, 37539, 49536, 49664, 50052, 55872, 66048, 66736, 74496, 75078, 99072, 100104, 111744, 133472, 148992, 150156, 198144, 200208, 223488, 266944, 300312, 400416, 446976, 533888, 600624, 800832, 1067776, 1201248, 1601664, 2135552, 2402496, 3203328, 4804992, 6406656, 9609984, 19219968]

約数ペア:

[(1, 19219968), (2, 9609984), (3, 6406656), (4, 4804992), (6, 3203328), (8, 2402496), (9, 2135552), (12, 1601664), (16, 1201248), (18, 1067776), (24, 800832), (32, 600624), (36, 533888), (43, 446976), (48, 400416), (64, 300312), (72, 266944), (86, 223488), (96, 200208), (97, 198144), (128, 150156), (129, 148992), (144, 133472), (172, 111744), (192, 100104), (194, 99072), (256, 75078), (258, 74496), (288, 66736), (291, 66048), (344, 55872), (384, 50052), (387, 49664), (388, 49536), (512, 37539), (516, 37248), (576, 33368), (582, 33024), (688, 27936), (768, 25026), (774, 24832), (776, 24768), (873, 22016), (1032, 18624), (1152, 16684), (1164, 16512), (1376, 13968), (1536, 12513), (1548, 12416), (1552, 12384), (1746, 11008), (2064, 9312), (2304, 8342), (2328, 8256), (2752, 6984), (3096, 6208), (3104, 6192), (3492, 5504), (4128, 4656), (4171, 4608)]