19953856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 56

約数和(自身を含む): 44165520

約数和(自身を除く): 24211664

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 208, 232, 377, 416, 464, 754, 827, 832, 928, 1508, 1654, 1856, 3016, 3308, 6032, 6616, 10751, 12064, 13232, 21502, 23983, 24128, 26464, 43004, 47966, 52928, 86008, 95932, 172016, 191864, 311779, 344032, 383728, 623558, 688064, 767456, 1247116, 1534912, 2494232, 4988464, 9976928, 19953856]

約数ペア:

[(1, 19953856), (2, 9976928), (4, 4988464), (8, 2494232), (13, 1534912), (16, 1247116), (26, 767456), (29, 688064), (32, 623558), (52, 383728), (58, 344032), (64, 311779), (104, 191864), (116, 172016), (208, 95932), (232, 86008), (377, 52928), (416, 47966), (464, 43004), (754, 26464), (827, 24128), (832, 23983), (928, 21502), (1508, 13232), (1654, 12064), (1856, 10751), (3016, 6616), (3308, 6032)]