19939776

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 112

約数和(自身を含む): 57607200

約数和(自身を除く): 37667424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 41, 48, 51, 64, 68, 82, 96, 102, 123, 136, 149, 164, 192, 204, 246, 272, 298, 328, 408, 447, 492, 544, 596, 656, 697, 816, 894, 984, 1088, 1192, 1312, 1394, 1632, 1788, 1968, 2091, 2384, 2533, 2624, 2788, 3264, 3576, 3936, 4182, 4768, 5066, 5576, 6109, 7152, 7599, 7872, 8364, 9536, 10132, 11152, 12218, 14304, 15198, 16728, 18327, 20264, 22304, 24436, 28608, 30396, 33456, 36654, 40528, 44608, 48872, 60792, 66912, 73308, 81056, 97744, 103853, 121584, 133824, 146616, 162112, 195488, 207706, 243168, 293232, 311559, 390976, 415412, 486336, 586464, 623118, 830824, 1172928, 1246236, 1661648, 2492472, 3323296, 4984944, 6646592, 9969888, 19939776]

約数ペア:

[(1, 19939776), (2, 9969888), (3, 6646592), (4, 4984944), (6, 3323296), (8, 2492472), (12, 1661648), (16, 1246236), (17, 1172928), (24, 830824), (32, 623118), (34, 586464), (41, 486336), (48, 415412), (51, 390976), (64, 311559), (68, 293232), (82, 243168), (96, 207706), (102, 195488), (123, 162112), (136, 146616), (149, 133824), (164, 121584), (192, 103853), (204, 97744), (246, 81056), (272, 73308), (298, 66912), (328, 60792), (408, 48872), (447, 44608), (492, 40528), (544, 36654), (596, 33456), (656, 30396), (697, 28608), (816, 24436), (894, 22304), (984, 20264), (1088, 18327), (1192, 16728), (1312, 15198), (1394, 14304), (1632, 12218), (1788, 11152), (1968, 10132), (2091, 9536), (2384, 8364), (2533, 7872), (2624, 7599), (2788, 7152), (3264, 6109), (3576, 5576), (3936, 5066), (4182, 4768)]