19109888

素因数分解:

$2^{11}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 46126080

約数和(自身を除く): 27016192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 43, 56, 62, 64, 86, 112, 124, 128, 172, 217, 224, 248, 256, 301, 344, 434, 448, 496, 512, 602, 688, 868, 896, 992, 1024, 1204, 1333, 1376, 1736, 1792, 1984, 2048, 2408, 2666, 2752, 3472, 3584, 3968, 4816, 5332, 5504, 6944, 7168, 7936, 9331, 9632, 10664, 11008, 13888, 14336, 15872, 18662, 19264, 21328, 22016, 27776, 31744, 37324, 38528, 42656, 44032, 55552, 63488, 74648, 77056, 85312, 88064, 111104, 149296, 154112, 170624, 222208, 298592, 308224, 341248, 444416, 597184, 616448, 682496, 1194368, 1364992, 2388736, 2729984, 4777472, 9554944, 19109888]

約数ペア:

[(1, 19109888), (2, 9554944), (4, 4777472), (7, 2729984), (8, 2388736), (14, 1364992), (16, 1194368), (28, 682496), (31, 616448), (32, 597184), (43, 444416), (56, 341248), (62, 308224), (64, 298592), (86, 222208), (112, 170624), (124, 154112), (128, 149296), (172, 111104), (217, 88064), (224, 85312), (248, 77056), (256, 74648), (301, 63488), (344, 55552), (434, 44032), (448, 42656), (496, 38528), (512, 37324), (602, 31744), (688, 27776), (868, 22016), (896, 21328), (992, 19264), (1024, 18662), (1204, 15872), (1333, 14336), (1376, 13888), (1736, 11008), (1792, 10664), (1984, 9632), (2048, 9331), (2408, 7936), (2666, 7168), (2752, 6944), (3472, 5504), (3584, 5332), (3968, 4816)]