19935104

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1211

約数の個数: 64

約数和(自身を含む): 47817600

約数和(自身を除く): 27882496

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1171, 1216, 2128, 2342, 2432, 4256, 4684, 8197, 8512, 9368, 16394, 17024, 18736, 22249, 32788, 37472, 44498, 65576, 74944, 88996, 131152, 149888, 155743, 177992, 262304, 311486, 355984, 524608, 622972, 711968, 1049216, 1245944, 1423936, 2491888, 2847872, 4983776, 9967552, 19935104]

約数ペア:

[(1, 19935104), (2, 9967552), (4, 4983776), (7, 2847872), (8, 2491888), (14, 1423936), (16, 1245944), (19, 1049216), (28, 711968), (32, 622972), (38, 524608), (56, 355984), (64, 311486), (76, 262304), (112, 177992), (128, 155743), (133, 149888), (152, 131152), (224, 88996), (266, 74944), (304, 65576), (448, 44498), (532, 37472), (608, 32788), (896, 22249), (1064, 18736), (1171, 17024), (1216, 16394), (2128, 9368), (2342, 8512), (2432, 8197), (4256, 4684)]