19280512

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 40930560

約数和(自身を除く): 21650048

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 113, 124, 128, 172, 226, 248, 344, 452, 496, 688, 904, 992, 1333, 1376, 1808, 1984, 2666, 2752, 3503, 3616, 3968, 4859, 5332, 5504, 7006, 7232, 9718, 10664, 14012, 14464, 19436, 21328, 28024, 38872, 42656, 56048, 77744, 85312, 112096, 150629, 155488, 170624, 224192, 301258, 310976, 448384, 602516, 621952, 1205032, 2410064, 4820128, 9640256, 19280512]

約数ペア:

[(1, 19280512), (2, 9640256), (4, 4820128), (8, 2410064), (16, 1205032), (31, 621952), (32, 602516), (43, 448384), (62, 310976), (64, 301258), (86, 224192), (113, 170624), (124, 155488), (128, 150629), (172, 112096), (226, 85312), (248, 77744), (344, 56048), (452, 42656), (496, 38872), (688, 28024), (904, 21328), (992, 19436), (1333, 14464), (1376, 14012), (1808, 10664), (1984, 9718), (2666, 7232), (2752, 7006), (3503, 5504), (3616, 5332), (3968, 4859)]