1819391488

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1579

約数の個数: 80

約数和(自身を含む): 3802613760

約数和(自身を除く): 1983222272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 316, 496, 512, 632, 992, 1264, 1451, 1984, 2449, 2528, 2902, 3968, 4898, 5056, 5804, 7936, 9796, 10112, 11608, 15872, 19592, 20224, 23216, 39184, 40448, 44981, 46432, 78368, 89962, 92864, 114629, 156736, 179924, 185728, 229258, 313472, 359848, 371456, 458516, 626944, 719696, 742912, 917032, 1253888, 1439392, 1834064, 2878784, 3553499, 3668128, 5757568, 7106998, 7336256, 11515136, 14213996, 14672512, 23030272, 28427992, 29345024, 56855984, 58690048, 113711968, 227423936, 454847872, 909695744, 1819391488]

約数ペア:

[(1, 1819391488), (2, 909695744), (4, 454847872), (8, 227423936), (16, 113711968), (31, 58690048), (32, 56855984), (62, 29345024), (64, 28427992), (79, 23030272), (124, 14672512), (128, 14213996), (158, 11515136), (248, 7336256), (256, 7106998), (316, 5757568), (496, 3668128), (512, 3553499), (632, 2878784), (992, 1834064), (1264, 1439392), (1451, 1253888), (1984, 917032), (2449, 742912), (2528, 719696), (2902, 626944), (3968, 458516), (4898, 371456), (5056, 359848), (5804, 313472), (7936, 229258), (9796, 185728), (10112, 179924), (11608, 156736), (15872, 114629), (19592, 92864), (20224, 89962), (23216, 78368), (39184, 46432), (40448, 44981)]