19968252416

素因数分解:

$2^9\times 7^1\times {\mathrm{827}}^1\times {\mathrm{6737}}^1$

素因数の和:7589

約数の個数: 80

約数和(自身を含む): 45659059776

約数和(自身を除く): 25690807360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 827, 896, 1654, 1792, 3308, 3584, 5789, 6616, 6737, 11578, 13232, 13474, 23156, 26464, 26948, 46312, 47159, 52928, 53896, 92624, 94318, 105856, 107792, 185248, 188636, 211712, 215584, 370496, 377272, 423424, 431168, 740992, 754544, 862336, 1481984, 1509088, 1724672, 2963968, 3018176, 3449344, 5571499, 6036352, 11142998, 12072704, 22285996, 24145408, 39000493, 44571992, 78000986, 89143984, 156001972, 178287968, 312003944, 356575936, 624007888, 713151872, 1248015776, 1426303744, 2496031552, 2852607488, 4992063104, 9984126208, 19968252416]

約数ペア:

[(1, 19968252416), (2, 9984126208), (4, 4992063104), (7, 2852607488), (8, 2496031552), (14, 1426303744), (16, 1248015776), (28, 713151872), (32, 624007888), (56, 356575936), (64, 312003944), (112, 178287968), (128, 156001972), (224, 89143984), (256, 78000986), (448, 44571992), (512, 39000493), (827, 24145408), (896, 22285996), (1654, 12072704), (1792, 11142998), (3308, 6036352), (3584, 5571499), (5789, 3449344), (6616, 3018176), (6737, 2963968), (11578, 1724672), (13232, 1509088), (13474, 1481984), (23156, 862336), (26464, 754544), (26948, 740992), (46312, 431168), (47159, 423424), (52928, 377272), (53896, 370496), (92624, 215584), (94318, 211712), (105856, 188636), (107792, 185248)]